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Practice ProblemHow many moles of aluminum oxide will be produced from 0.50 mol of oxygen?
4 Al + 3 O2 → 2 Al2O3
0.50 mol ? mol
3 O2 = 2 Al2O3
0.50 mol O2 ? mol Al2O3
= 0.33 mol Al2O3
How many moles of aluminum hydroxide are required to produce 22.0 mol of water?
2 Al(OH)3 + 3 H2SO4 → Al2(SO4)3 + 6 H2O
Practice Problem
? mol 22.0 mol
2 Al(OH)3 6 H2O
= 1 3
= ? mol Al(OH)3 22.0 mol H2O
= 7.33 mol Al(OH)3
How many moles of potassium chloride canbe produced from 100.0 g of potassium chlorate?
Practice Problem
2 KClO3 → 2 KCl + 3 O2
? mol 100.0g
2 mol KClO3 = 1 mol KClO3 2 mol KCl 1 mol KCl
100.0 g KClO3 1mol = 0.8157 mol KClO3
122.6 g
= 0.8157 mol KCl
How many grams of silver nitrate are requiredto produce 0.25 mol of silver sulfide?
2 AgNO3 + H2S → Ag2S + 2 HNO3
Practice Problem
? g 0.25 mol
0.25 mol Ag2S 2 mol AgNO3 =1 mol Ag2S
0.50 mol
0.50 mol AgNO3 169.9 g = 85 g AgNO3
1 mol
Read Sect. 11.1 pgs 368-372
Do Problems: 1 pg 3713 pg 372
44,46,48,50,52 pg 392
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