WorksheetsMole to Mole and Mass to Mass Stoichiometry
Total questions: 15
Worksheet time: 15mins
What mass of carbon dioxide (CO2) can be produced from 25.0 g of calcium carbonate (CaCO3)?
25.0 g
11.0 g
22.0 g
56.0 g
In stoichiometry, chemists are mainly concerned with
mole and mass relationships in chemical reactions.
the types of bonds found in compounds.
energy relationships in chemical reactions.
the speed with which chemical reactions occur.
The coefficients in a chemical equation represent which type of ratio?
mass to mass ratio
mole to mole ratio
mass to mole ratio
mole to mass ratio
Given the pictured equation, how may moles of hydrogen gas (H2) would be produced from 1.00 mole of Zinc (Zn) if there was a 85.0% yield?
.850 mole
.750 mole
1.00 mole
There is no way to determine this answer.
Given the pictured equation, what is the ratio of Zn to HCl needed to completely react all reactants
1 L Zn to 2 L HCl
1 mole Zn to 2 mole HCl
1 g Zn to 2 g HCl
There is no way to determine this answer.
#1 only
#2 only
#3 only
#2 and #3 only
Which is true of the reaction shown below?
Two molecules of Substance Y will be left over when this reaction goes to completion.
Substance Y is the limiting reagent in this reaction.
The addition of more molecules of Substance X will not affect the amount of Substance Z that can be made.
The mole ratio of this reaction is 6:5:6.
1 : 1
2 : 3
1 : 3
1 : 2
2 : 3
1 : 2
1 : 1
1 : 3
In the reaction pictured, how many moles of hydrogen will be formed when 4 mol of HCl are consumed?
6
4
2
8
If given the mass of methane (CH4) what can be calculated based on the balanced reaction below?
The mass of the oxygen gas reacting along with the mass of carbon dioxide and water produced.
Only the mass of carbon dioxide produced.
Only the mass of oxygen gas reacting.
Only the mass of ,carbon dioxide and water produced.
What is the correct ratio of nitrogen gas to lithium in the reaction pictured?
In a balanced chemical equation, the coefficients indicate the ratio of what?
Mass to mass
Mole to mole
Volume to volume
Energy to energy
If you have 2 moles of hydrogen gas reacting with oxygen gas to form water, how many moles of water are produced?
1 mole
2 moles
3 moles
4 moles
What is the mass of 2 moles of carbon dioxide (CO2)? (Molar mass of CO2 = 44 g/mol)
22 grams
44 grams
88 grams
176 grams
