Stoichiometry - Worksheet With Answer Key Page 2
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1
2
3
4Name
2
_184 g NO
___
6.
Calculate the number of grams of Nitrogen dioxide that are
2
produced from 4 moles of Nitric oxide.
2NO +
O
2NO
2
2
? g
4 mol
mol
4 mol NO
2 mol NO
46 g NO
2
2
2 mol NO
1 mol NO
2
__29.4 g O
___
7.
Calculate the mass of oxygen produced from the
2
decomposition of 75.0 g of Potassium chlorate.
2KClO
2KCl +
3O
3
2
75.0 g
? g
mol
mol
75.0 g KClO
1 mol KClO
3 mol O
32 g O
3
3
2
2
122.5 g KClO
2 mol KClO
1 mol O
3
3
2
_63.2 g Ag___
8.
Calculate the mass of silver needed to react with chlorine to
produce 84 g of Silver chloride. (Hint: write a balanced
equation first.)
2 Ag +
Cl
2 AgCl
2
? g
84 g
mol
mol
84g AgCl
1 mol AgCl
2 mol Ag
108 g Ag
143.5 g AgCl
2 mol AgCl
1 mol Ag
_6.72 L CO
__
9.
How many liters of Carbon monoxide at STP are needed to
2
react with 4.80 g of oxygen gas to produce carbon dioxide?
2CO +
O
2CO
2
2
? L
4.80 g
mol
mol
4.80 g O
1 mol O
2 mol CO
22.4 L CO
2
2
2
2
32 g O
1 mol O
1 mol CO
2
2
2
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