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Practice Problem How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 Al + 3 O 2 → 2 Al 2 O 3 0.50 mol? mol 3 O 2 = 2 Al 2 O 3.

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Presentation on theme: "Practice Problem How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 Al + 3 O 2 → 2 Al 2 O 3 0.50 mol? mol 3 O 2 = 2 Al 2 O 3."— Presentation transcript:

1 Practice Problem How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 Al + 3 O 2 → 2 Al 2 O 3 0.50 mol? mol 3 O 2 = 2 Al 2 O 3 0.50 mol O 2 ? mol Al 2 O 3 = 0.33 mol Al 2 O 3

2 How many moles of aluminum hydroxide are required to produce 22.0 mol of water? 2 Al(OH) 3 + 3 H 2 SO 4 → Al 2 (SO 4 ) 3 + 6 H 2 O Practice Problem ? mol 22.0 mol 2 Al(OH) 3 6 H 2 O = 1 3 = ? mol Al(OH) 3 22.0 mol H 2 O =7.33 mol Al(OH) 3

3 How many moles of potassium chloride can be produced from 100.0 g of potassium chlorate? Practice Problem 2 KClO 3 → 2 KCl + 3 O 2 ? mol100.0g 2 mol KClO 3 =1 mol KClO 3 2 mol KCl 1 mol KCl 100.0 g KClO 3 1mol= 0.8157 mol KClO 3 122.6 g = 0.8157 mol KCl

4 How many grams of silver nitrate are required to produce 0.25 mol of silver sulfide? 2 AgNO 3 + H 2 S → Ag 2 S + 2 HNO 3 Practice Problem ? g 0.25 mol 0.25 mol Ag 2 S2 mol AgNO 3 = 1 mol Ag 2 S 0.50 mol 0.50 mol AgNO 3 169.9 g= 85 g AgNO 3 1 mol

5 Read Sect. 11.1pgs 368-372 Do Problems:1 pg 371 3 pg 372 44,46,48,50,52 pg 392


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