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Chemistry Practice Problems: Limiting Reactants

[View the accompanying Lesson on Limiting Reactants here.]

[Download the accompanying PDF worksheet here.]

Perform the following calculations, being sure to give the answer with the correct number of significant digits.

1. What mass in grams of aluminum hydroxide could be made from 30.00 g Al2S3 and 20.00 g H2O?

Al2S3 + 6 H2O → 2 Al(OH)3 + 3 H2S

2. What mass in grams of P4O6 could be made from 8.75 g P4 and 12.50 g O2?

P4 + 3 O2 → P4O6

3. What mass in grams of TiCl4 could be made from 25.0 g TiO2, 10.0 g C, and 40.0 g Cl2?

3 TiO2 + 4 C + 6 Cl2 → 3 TiCl4 + 2 CO2 + 2 CO

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