What is the molar mass of Fe2O3?
1. What is the molar mass of Fe2O3?
Answer:
159.69 g/mol
Explanation:
correct me if I'm wrong
2. 1. what is molar mass of Fe2O3 number of particlespercentage composition
Answer:
the molar mass of Fe2O3 is 159.69 g/mol. Multiply that by the number of moles, and the answer is 223.57 grams. Fe2O3 is the main ingredient of iron rust. Mol CO in 14.78g = 14.78*28 = 0.5278 mol CO.
Answer:
ito po
Explanation:
the molar mass of Fe2O3 is 159.69 g/mol. Multiply that by the number of moles, and the answer is 223.57 grams. Fe2O3 is the main ingredient of iron rust. Mol CO in 14.78g = 14.78*28 = 0.5278 mol CO.
3. Determine the mass of 1 mole of the following:H2O2Fe2O3CO2CH4ICl3Ag(molar mass to)
Answer:
getting the temperature of patient in a hospital
4. Compute for the molar masses of the following compounds: a) Ca( NO3)2 b) Carbonic acid H2CO3 ▪ 2. Calculate the a)molar mass ,b) no of moles and c) no of particles present in 60 g of Iron (III) oxide. Fe2O3 ( rust) . ▪ 3. How many grams are present in 7 moles of Phosphorus? ▪ 4.Propane is a gas used for cooking and heating. How many atoms are in 2.12 mol of propane (C3H8)?
sensya na need lng ng pts
Answer:
I advice you wach po sa yt Don po ako natuto dahil pag sinagot ko answer nalang ang copy mo masmaganda kong sayo mismo galing
5. Direction: Using the concepts of mole and molar mass, complete the table below. You may use a PeriodicTable of Elements to determine the values of atomic mass.SUBSTANCE MOLAR MASSMOLESMASS (g)NO. OF(g/mol)PARTICLES(FormulaUnits)3581741.806 X 1024Naci500H2O250CaCl22.5NH31,204 X 1024Fe2O34KI
Answer:
Explanation:
these idea can be extended to calculate the formula mass of a substance by...
for the word mole is large mass or bulk
6. What is the Mass/molar mass of adenine ?
Answer:
Adenine
Molar Mass: 135.13 g/mol
Melting Point: 360°C
Density: 1.6 g/cm^3
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7. Fe(s) + O2(g) → Fe,0(#)(Molar mass: Fe:55.9, 0:16)a. Write the balanced equation of the reaction,b. What is the mole-mole ratio of Fe to Fe2O ?c. How many moles of Fe2O3 is produced from 39,4 moles of Fe?d. What is the molar mass of Fezos?e. How many grams of O2 are needed to produce 29.8 g of Fe,0,?
716+383783 needed. fezos proud of you for the update and I will be buy
6283actually need anything else please let728 number is the answer
8. 5. How can we determine the number of moles of a givensubstance?a. Add the mass of the c. Multiply the mass of thesubstance by its atomic substance by its atomicmass and molar massmass and molar massb. Subtract the mass of the d. Divide the mass of thesubstance by its atomic substance by its atomicmass and molar massmass and molar mass
Answer:
D
Explanation:
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paki follow narin po salamat po
9. . Which of the following statement is NOT true about molar mass? A. Molar mass can be determined without considering the molar masses of the individual elements. B. The molar mass of a substance is the sum of the atomic mass of all atoms indicated in the formula of a substance. C. The number of grams in the molar mass of an element is not the same as the atomic number. D. When calculating molar mass of a chemical compound, it states how many grams are in one mole of a substances
Answer:
Which of the following statement is NOT true about molar mass? A. Molar mass can be determined without considering the molar masses of the individual elements. B. The molar mass of a substance is the sum of the atomic mass of all atoms indicated in the formula of a substance. C. The number of grams in the molar mass of an element is not the same as the atomic number. D. When calculating molar mass of a chemical compound, it states how many grams are in one mole of a substances
10. II. Task: Determine the molar mass Water (H₂O) Elements No. of Atoms Atomic Mass Total Mass Molar Mass (MM)=
Explanation:
The molar mass of water (H2O) can be determined by adding up the atomic masses of each element present in the compound.
Water is composed of two hydrogen atoms (H) and one oxygen atom (O).
The atomic mass of hydrogen is 1.008 amu (atomic mass units).
The atomic mass of oxygen is 16.00 amu.
Therefore, the total mass of water is:
(2 x 1.008) + 16.00 = 18.016 amu
And the molar mass (MM) is equal to the total mass in amu, so the molar mass of water is 18.016 g/mol.
11. what is the percent by mass of iron in the compound fe2o3
Fe2O3 has a molar mass of 160g
Fe2 has a mass of 112g
O3 has a mass of 48g
if you divide mass of iron by mass of compound
[tex] \frac{112}{160} \times 100 = 70\%fe2[/tex]
So the answer is 70%
and oxygen is 30%
48/160 x 100 = 30%
12. mass of water and molar mass
Answer:
mass of water: 18.01528 g/mol
Density: 997 kg/m³
Boiling point: 100 °C
Formula: H2O
Melting point: 0 °C
Molar mass: 18.01528 g/mol
IUPAC ID: Oxidane, Water
13. claculate the molar mass of water. the molar mass of oxygen=16.00 x 1=16/mole the molar mass of hydrogen=1.01 x 2=2.0g/mole
MOLAR MASS
Calculate the molar mass of water.
The chemical formula of water is H₂O
Molar Mass of Oxygen = 16 g/mol
16 • 1 = 16 g
Molar Mass of Hydrogen = 1.01 g/mol
1.01 • 2 = 2.0 g
Molar Mass of H₂O = molar mass O + molar mass H₂
Molar Mass of H₂O = 16 g + 2.0 g
Molar Mass of H₂O = 18 g/mol
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14. What is the molarity of a solution of 10% by mass cadmium sulfate, cdso4 (molar mass?
Answer:
208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.
Explanation:
yes daddy...
15. claculate the molar mass of water. the molar mass of oxygen=16.00 x 1=16/mole the molar mass of hydrogen=1.01 x 2=2.0g/mole
MOLAR MASS
Calculate the molar mass of water.
The chemical formula of water is H₂O
Molar Mass of Oxygen = 16 g/mol
16 • 1 = 16 g
Molar Mass of Hydrogen = 1.01 g/mol
1.01 • 2 = 2.0 g
Molar Mass of H₂O = molar mass O + molar mass H₂
Molar Mass of H₂O = 16 g + 2.0 g
Molar Mass of H₂O = 18 g/mol
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16. 4. To obtain the molar mass of a compound, its formula is expressas:a. molar mass = number of atoms + atomic mass of elements.b. molar mass = number of atoms x atomic mass of elements.c. molar mass = number of atoms / atomic mass of elements,d. molar mass = number of atoms - atomic mass of elements.
Answer:
B. molar mass = number of atoms x atomic mass of elements
Explanation:
Yan dn po answer ko
17. What is the mass of 5 moles of Fe2O3?
Given:
moles of Fe₂O₃ = 5 mol
Required:mass of Fe₂O₃
Strategy:The problem requires us to find the mass of 5 moles of Fe₂O₃. But how do we find it?
First, we will compute for the molar mass of Fe₂O₃ and then we will use dimensional analysis (factor-label method) to find the mass of Fe₂O₃.
Solution:Step 1: Calculate the molar mass of Fe₂O₃.
Based on the periodic table of elements, the atomic masses of Fe and O are 55.85 amu and 16.00 amu, respectively.
Note: The atomic mass is numerically equal to the molar mass.
The molar mass of Fe₂O₃ is
molar mass of Fe₂O₃ = (55.85 g/mol × 2) + (16.00 g/mol × 3)
molar mass of Fe₂O₃ = 159.7 g/mol
Step 2: Calculate the mass of Fe₂O₃.
Using dimensional analysis, the mass of Fe₂O₃ is
[tex]\text{mass of Fe}_{2}\text{O}_{3} = \text{5 mol Fe}_{2}\text{O}_{3} \times \dfrac{\text{159.7 g Fe}_{2}\text{O}_{3}}{\text{1 mol Fe}_{2}\text{O}_{3}}[/tex]
[tex]\boxed{\text{mass of Fe}_{2}\text{O}_{3} = \text{798.5 g}}[/tex]
Answer:mass of Fe₂O₃ = 798.5 g
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18. Compute for the molar mass of CuSAnswer:Compute for the molar mass of Lanthanum Answer:Compute for the molar mass of Ytterbium Answer:
Explanation:
compute the money cuins
19. what is the percent composition of iron in the compound Fe2O3 (the molar mass of iron Feis 55.845g/mol mole and oxygen is 16.00g/mol)?
Answer:
Fe
2
O
3
1 Fe atomic mass = 56
1 oxygen atomic mass= 16
total = 56×2+16×3
=160
%Fe =
160
56×2
×100
=70%
20. what is a molar mass? How is the molar mass of a substance calculated
Answer:
The molar mass of a substance is the mass in grams of 1 mole of the substance. As shown in this video, we can obtain a substance's molar mass by summing the molar masses of its component atoms. We can then use the calculated molar mass to convert between mass and number of moles of the substance.21. The production of Aluminum oxide (Al2O3) is usually found present in cosmetics is possible with the reaction between aluminum and Iron (III) oxide (Fe2O3). Determine the limiting reactant in this reaction by calculating the moles of Al2O3 produced for each reactant if 250 g of Al are reacted with 801 g of Fe2O3. (Molar mass: Al=26.98 g/mol Fe2O3=159.69 g/mol
Answer:
5
Explanation:
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Sorry po
22. The thermite reaction involves aluminum and iron(III) oxide 2Al(s) + Fe2O3(s) → Al2O3(s) + 2Fe(1) This reaction is highly exothermic, and the liquid iron formed is used to weld metals. Calculate the heat released in kilojoules per gram of Al reacted with Fe2O3. The AH; for Fe(l) is 12.40 kJ/mol and AH; for Fe2O3 is -822.2 kJ/mol. The molar mass of Al is 26.98g.
Answer:
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Explanation:
Gumawa ng isang islogan sa mga maaari mong magawa upang pahalagahan ang kontribusyon ng kabihasnang klasikal ng Amerika, Africa at mga Pulo sa Pasipiko. Isulat ang iyong islogan sa sagutang papel
23. ____ 2. The mass in grams of one mole of a substance is known as the molar mass.The molar mass of any element or compound is expressed in _______________.
Molar mass is expressed as g/mol.
Answer:
molar mass and g/mol
Explanation:
sana makatulong po ako
24. What is the Mass/molar mass of adenine ?
Answer:
135.13 g/mol
Explanation:
The molar mass of adenine.
25. Make a rap about Molar mass and Calculating Molar mass
Answer in explanation:
The molar mass is the mass of a given chemical element or chemical compound. divided by the amount of substance
Molar mass is the mass in grams of 1 mole of the substance, you can find it by summing the standard atomic masses of its component atoms.
Hope this helps!
26. Molar mass (g/mol) what is the molar mass of calcium
Answer:
40.078 u
Atomic number: 20
Symbol: Ca
27. 1.how to solve molar mass of the NaOH2.how to solve molar mass of the MgCl2
Answer:
1. Add all the molar masses of what composes sodium hydroxide (NaOH)
Na x 1 = 22.989 g/mol
O x 1 = 15.999 g/mol
H x 1 = 1.008 g/mol
Total molar mass of sodium hydroxide is 39.996 g/mol
2. First you look up molar masses in a data book, periodic table, etc.
Write down the molar mass of each element. In this case:
Magnesium: 24.305 grams per mole
Chlorine: 35.45 grams per mole
Then write the chemical formula of magnesium chloride down. I assume you know how to determine chemical formulas of simple compounds.
MgCl2
To determine the molar mass multiply the molar mass of each element in the compound by the number of atoms of each element in the compound.
(24.305gmol^-1 x 1) + (35.45gmol^-1 x 2)
= 95.205 grams per mole.
28. pasagot po pls2. What is the molarity of the prepared solution? (Hint: mass = 4.2 grams; : molar mass = 93.886 g/mol;v of solution = 1L = ; Formula Molarity = moles of solute / Liter of solution ; moles of solute = = mass/ molar mass )
Answer:HINDI KO RIN ALAM
Explanation:
29. 1. What is the average atomic mass of Ca? What is the molar mass of Ca? 2. The atomic mass of Br is 79.90 amu. What is its molar mass? 3. The molecular mass of water, H2O, is 18.02 amu. What is the molar mass of water, H2O? 4. The formula mass of NaCl is 58.44 amu. What is the molar mass of NaCl?
[tex]{\huge{\boxed{{{Question}}}}}[/tex]
1. What is the average atomic mass of Ca? What is the molar mass of Ca?
2. The atomic mass of Br is 79.90 amu. What is its molar mass?
3. The molecular mass of water, H2O, is 18.02 amu. What is the molar mass of water, H2O?
4. The formula mass of NaCl is 58.44 amu. What is the molar mass of NaCl?
[tex]{\huge{\boxed{{{Answer}}}}}[/tex]
1. What is the average atomic mass of Ca?
What is the molar mass of Ca?
Calcium
CalciumAtomic mass
40.078 u
2. The atomic mass of Br is 79.90 amu. What is its molar mass?
Calculate the atomic mass of gallium. 3. Bromine has two naturally occurring isotopes (Br-79 and Br-81) and an atomic mass of 79.904 amu.
3. The molecular mass of water, H2O, is 18.02 amu. What is the molar mass of water, H2O?
Water
Water Molar mass
18.01528 g/mol
4. The formula mass of NaCl is 58.44 amu. What is the molar mass of NaCl?
Sodium chloride
Sodium chloride Molar mass
58.44 g/mol
[tex]{\huge{\boxed{{{Explanation}}}}}[/tex]
How do you find the molar mass of CA?Solution:
Solution:Formula =Ca(NO3)2.
Molar mass Ca=40.08g/mol.
Molar mass N=14.01g/mol.
Molar mass O=16.00g/mol.
How do I find molar mass?The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol). The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of the constituent atoms.
However, molar mass can also be calculated by multiplying the atomic mass in amu by the molar mass constant (1 g/mol). To calculate the molar mass of a compound with multiple atoms, sum all the atomic mass of the constituent atoms.
Water:Formula: H₂O
Density: 997 kg/m³
Molar mass: 18.01528 g/mol
Boiling point: 100 °C
Melting point: 0 °C
IUPAC ID: Oxidane, Water
What is the mass of a mole of NaCl called?The molar mass of sodium chloride is 58.44 g/mol.
One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g.
____________________________________
! Links I used !How do you find the molar mass of CA?https://chem.libretexts.org
How do I find molar mass?https://courses.lumenlearning.com
Water:https://www.britannica.com/science
What is the mass of a mole of NaCl called?https://uh.edu/~chem1p/c3/C3F99.pdf
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30. What mass of Fe2O3 must be reacted to generate 324 g of Al2O3? Fe2O3(s) + Al(s) → Fe(s) + Al2O3(s)
SOLUTION:
Step 1: Write the balanced chemical equation.
Fe₂O₃(s) + 2Al(s) → 2Fe(s) + Al₂O₃(s)
Step 2: Calculate the mass of Fe₂O₃ reacted by using dimensional analysis.
Based on the balanced chemical equation, 1 mole of Fe₂O₃ is stoichiometrically equivalent to 1 mole of Al₂O₃.
The molar masses of Fe₂O₃ and Al₂O₃ are 159.687 g and 101.961 g, respectively.
[tex]\begin{aligned} \text{mass of} \: \text{Fe}_2\text{O}_3 & = \text{324 g} \: \text{Al}_2\text{O}_3 \times \frac{\text{1 mol} \: \text{Al}_2\text{O}_3}{\text{101.961 g} \: \text{Al}_2\text{O}_3} \times \frac{\text{1 mol} \: \text{Fe}_2\text{O}_3}{\text{1 mol} \: \text{Al}_2\text{O}_3} \times \frac{\text{159.687 g} \: \text{Fe}_2\text{O}_3}{\text{1 mol} \: \text{Fe}_2\text{O}_3} \\ & = \boxed{\text{507 g}} \end{aligned}[/tex]
Hence, 507 g of Fe₂O₃ must be reacted to produce 324 g of Al₂O₃.
[tex]\\[/tex]
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