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WorksheetsGrams to Moles and Moles to Grams
Total questions: 15
Worksheet time: 15mins
How many grams are in 1.2 moles of Neon?
0.05 grams
16.6 grams
21.2 grams
24 grams
How many grams of NH3 would result in 8 moles of NH3. What does the the number 8 do to the molar mass of the compound?
The number 8 is added to the molar mass to give 25 g/mol.
The number 8 multiplies the molar mass by 8 to give 136 g/mol.
The number 8 divides the molar mass by 8 to give 2.13 g/mol.
The number 8 does not change the molar mass of the compound.
Calculate the number of atoms in 0.0340 g Zn.
5.200 x 10-4 atoms Zn
3.130 x 1023 atoms Zn
3.130 x 1020 atoms Zn
1 atom Zn
Use the given the chemical equation to answer the following question: 2C2H6 + O2 → 4CO2 + 6H2O What does the number 4 represent for the formula unit 4CO2 ?
The number 4 represents the coefficient, which is also equal to the number of grams of the formula unit above.
The number 4 represents the subscript, which is also equal to the number of moles of the formula unit above.
The number 4 represents the coefficient, which is also equal to the number of moles of the formula unit above.
The number 4 represents the subscript, which is also equal to the number of grams of the formula unit above.
A student calculated the number of moles of methane (CH4) present in a 100g sample of a gaseous mixture. If the student determined that there’s 0.6 moles of methane present in the sample, what is the percent composition of methane in the sample?
.096%
9.6%
.9%
90%
To transform from grams of one substance to grams of another, what are the steps you take?
Grams A --> Moles A--> Grams B --> Moles B
Grams A --> Moles B --> Grams B
Grams A --> Grams B
Grams A --> Moles A --> Moles B --> Grams B
When you start with grams of a substance, the next conversion factor will be....
Molar Mass A
1 mole A
Molar Mass A
Given Mass A
1 Mole A
Molar Mass A
1 mole A
1 mole B
Knowing the mole ratio of a reactant and product in a chemical reaction would allow you to determine:
the energy released in the reaction.
the speed of the reaction.
whether the reaction is reversible.
the mass of the product produced from a known mass of reactant.
The most steps are required to solve stoichiometry problems when the reactant is given in grams and the product is sought in
moles.
grams.
liters.
number of atoms.
How many moles are in 50 grams of water (H2O)?
A) 1.39 moles
B) 2.78 moles
C) 0.56 moles
D) 0.25 moles
What is the mass in grams of 3 moles of carbon dioxide (CO2)?
A) 132 grams
B) 44 grams
C) 88 grams
D) 66 grams
If you have 18 grams of glucose (C6H12O6), how many moles do you have?
A) 0.1 moles
B) 0.05 moles
C) 0.2 moles
D) 0.3 moles
Convert 2 moles of sodium chloride (NaCl) to grams.
A) 58.5 grams
B) 117 grams
C) 29.25 grams
D) 234 grams
A chemical reaction requires 0.5 moles of sulfuric acid (H2SO4). How many grams is this?
A) 49 grams
B) 98 grams
C) 24.5 grams
D) 196 grams
How many grams are in 0.75 moles of ammonia (NH3)?
A) 10.2 grams
B) 12.75 grams
C) 17 grams
D) 13.6 grams
