WorksheetsStoichiometry
Total questions: 10
Worksheet time: 2hrs 50mins
How many waffles can be made from 1 dozen eggs, assuming you have enough of all other ingredients?
Given Recipe: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles
48
12
4
16
Diatomic N2 can react with diatomic H2 to form ammonia (NH3). The balanced chemical equation is:
N2 + 3H2 -----> 2NH3
If 6 moles of H2 totally reacted with more than enough N2, how many moles of ammonia would be expected to form?
2 moles
3 moles
4 moles
6 moles
How many moles of water are made from complete reaction of 2.2 moles of oxygen gas with hydrogen gas?
Given the reaction: 2H2 + O2 → 2H2O
4.4
1.1
2.2
3.3
How many grams of water are made from the reaction of 4.0 grams of hydrogen gas?
Given the reaction: 2H2 + O2 → 2H2O
18
72
36
4.5
How many grams of water are made from the reaction of 16.0 grams of oxygen gas?
Given the reaction: 2H2 + O2 → 2H2O
18
9
36
16
How many grams of sodium metal are needed to make 29.3 grams of sodium chloride?
Given the reaction: 2Na + Cl2 → 2NaCl
46.0
5.75
23.0
11.5
Consider the following generic chemical equation:
2A + 5B → C + 3D
If you react 4 units of A with 10 units of B, which statement is TRUE?
Substance A will be the limiting reactant.
Substance B will be the limiting reactant.
There is just enough of A and B so that everything reacts completely.
Substance C cannot be formed from this reaction.
The theoretical yield of a reaction is 75.0 grams of product and the actual yield is 42.0g. What is the percent yield?
75.0
56.0
31.5
178
What is the limiting reactant for the following reaction given we have 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4?
Reaction: 3Ca(NO3)2 + 2Li3PO4 → 6LiNO3 + Ca3(PO4)2
Ca(NO3)2
Li3PO4
LiNO3
Ca3(PO4)2
How many moles of NH3 can be produced by the reaction of 2.00 g of N2 with 3.00 g H2?
Reaction: N2(g) + 3 H2(g) → 2 NH3(g)
0.143
0.0567
0.235
1.00
