Solve the following:
A1. How many moles are in 4.55 g. of calcium hydroxide?
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A2. What is the mass of 6.25 moles of copper (II) nitrate?
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B1. How many molecules of water are in 6.10 Liters of water?
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B2. How many moles are in 6.60 x 1023 formula units of ammonium sulfate?
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C1. How many molecules are in 125 g. of sugar, C12H22O11?
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C2. What is the volume of 456 g of oxygen gas ( O2)?
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Calculate the moles of lead (II) chloride in 151.0 g. of lead (II) chloride.
151.0g |
1 mole |
0.543 mole |
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278.1 g |
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Calculate the volume of carbon dioxide in 3.23 moles of carbon dioxide.
3.23 moles |
22.4 L |
73.4 L |
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1 mole |
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Calculate the moles of carbon tetrachloride in 1.65 x 1024 molecules of carbon tetrachloride.
1.65 x 1024 molecules |
1 mole |
2.74 moles |
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6.02 x 1023 molecules |
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Calculate the molecules of diarsenic pentoxide in 10.75 moles of diarsenic pentoxide.
10.75 moles |
6.02 x 1023 molecules |
6.47 x 1024 molecules |
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1 mole |
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Calculate the mass of iodine in 4.50 x 1023 molecules of nitrogen (N2)
4.50 x 1023 molecules |
1 mole |
28.02 g N2 |
20.9 g N2 |
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6.02 x 1023 molecules |
1 mole |
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Calculate the molecules of lithium oxide in .860 grams of lithium oxide.
.860 grams |
1 mole |
6.02 x 1023 molecules |
1.73 10 22 molecules |
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29.88 g |
1 mole |
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20 SEPTEMBER 2005 G436 BIOGEOCHEMISTRY ASSOC PROF
2005 CHEMISTRY SELFAUDIT CHECKLIST PAGE 1 OF 2 DATE
2005 CHINAJAPANKOREA SYMPOSIUM ON ENVIRONMENTAL ANALYTICAL CHEMISTRY SEPTEMBER 1
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