2. If a sodium vapor light bulb contains 0.0115 mols of sodium gas, how many
grams of sodium are in the bulb?||
3. A gold miner has 49.24 grams of pure gold. How many gold atoms are in his
sample?
4. An empty aluminum can has a mass of about 14.7 grams. How many mols of AI
are in each can?
5. The average human body contains about 3.00 x 10 mols of mercury. How many
mercury atoms are in the human body?
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