WorksheetsStoichiometry Mole to Mass
Total questions: 15
Worksheet time: 15mins
For the reaction pictured how many moles of nitrogen gas (N2) are required to produce 18 mol of ammonia (NH3)?
18
9.0
4.5
36
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.
Which of the following would be investigated in reaction stoichiometry?
the types of bonds that break and form when acids reacts with metals
the mass of potassium required to produce a known mass of potassium chloride
the amount of energy released in chemical reactions
the mass of hydrogen and oxygen in water
Which of the following cannot be determined from the pictured equation?
Moles of a product produced from a given amount of reactant.
Mass of a product produced from a given amount of reactant.
Number of atoms or molecules produced from a given amount of reactant.
The volume of a liquid produced from a given amount of reactant
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.
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.
What is the correct ratio of nitrogen gas to lithium in the reaction pictured?
If a chemical reaction involving substance A and B stops when substance B is completely used up, then substance B is referred to as the
excess reactant.
limiting reactant.
primary reactant.
primary product.
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
Mole ratios are obtained from the
balanced chemical equation
periodic table
molar mass
What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O --> 4 H3PO4
6:4
4:6
1:3
3:1
In the reaction 2 H2 + O2 → 2 H2O what is the mole ratio of oxygen to water
1/2
2/1
3/4
4/3
What is the molar mass of table salt (NaCl)?
116.89 g/mol
35.45 g/mol
22.99 g/mol
58.44 g/mol
In the reaction @@ ext{C}_3 ext{H}_8 + 5 ext{O}_2 ightarrow 3 ext{CO}_2 + 4 ext{H}_2 ext{O} ,howmanygramsof ext{CO}_2 areproducedwhen44gramsof ext{C}_3 ext{H}_8 areburned?(Molarmassof ext{C}_3 ext{H}_8 =44g/mol, ext{CO}_2@@ = 44 g/mol)
132 grams
88 grams
44 grams
176 grams
If 2 moles of H2 react with 1 mole of O2 to form water, what is the mass of water produced? (Molar mass of H2O = 18 g/mol)
18 grams
36 grams
54 grams
72 grams
