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WorksheetsReview Stoichiometry
Total questions: 6
Worksheet time: 30mins
Name
Class
Date
1.
Given the equation:
2NaClO3 (s) → 2NaCl (s) + 3O2 (g)
When 2.00 moles of NaClO3 react, how many grams of O2 is produced?
a)
56.0 g of O2
b)
96.0 g of O2
c)
64.0 g O2
d)
32.0 g O2
2.
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
a)
4 moles Fe
b)
6 moles Fe
c)
9 moles Fe
d)
2 moles Fe
3.
2H2 + O2 → 2H2O
How many grams of H2O can be produced from 3.91 g of O2?
a)
1.905
b)
4.40
c)
2.20
d)
1.10
4.
Mole ratios are obtained from the
a)
balanced chemical equation
b)
periodic table
c)
molar mass
5.
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
How many grams of hydrogen are produced if 120 g of Na are available?
a)
5.27 g
b)
2.64 g
c)
5.30 g
d)
45 g
6.
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110. g of CH4?
a)
13.7 mol
b)
2.75 mol
c)
6.11 mol
d)
6.85 mol
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