Now let’s try these practice problems. (Round all molar masses to tenths place.) Use the periodic table on the STAAR reference material to help you.

1. How many grams are present in one mole of aluminum chloride, AlCl₃?

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2. How many grams are present in 0.65 mole of aluminum chloride, AlCl₃?

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3. How many grams are present in one mole of magnesium phosphate, Mg₃(PO₄)₂?

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4. How many grams are present in 1.4 moles of magnesium phosphate, Mg₃(PO₄)₂?

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5. How many grams are present in four moles of glucose, C₆H₁₂O₆?

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