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WorksheetsChemistry Stoichiometry Review
Total questions: 12
Worksheet time: 57mins
How many moles of oxygen are consumed if 8 moles H2 are used?
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
10.05 mol
2Na + 2H2O → 2NaOH+ H2 How many grams of hydrogen are produced if
120 g of Na are available?
5.27 g
2.63 g
690 g
45 g
Stoichiometry is -
a balanced reaction with the same number of elements on both sides of the reaction
Calculating moles
using the balanced reaction and moles to calculate amounts needed and used
percentage yield
What are the coefficients to balance the following:
Fe + CuCl2 --> Cu + FeCl3
1,1,1,1
2,3,3,2
3,2,3,2
4,6,6,4
What is the mole ratio of HCl to CaCl2 in this reaction:
Ca(OH)2 + 2 HCl --> CaCl2 + 2 H2O
2:2
1:1
1:2
2:1
To make a sandwich you need:
2 slices of bread + 1 lunchmeat --> 1 sandwich
How many sandwiches can be made with
8 slices of bread and 8 slices of meat?
4 sandwiches
with 4 slices of meat left over
2 sandwiches with bread and lunchmeat left over
6 sandwiches with nothing left over
How many moles of water can be produced if 8 moles H2 are used?
