In the lab, students generated and collected oxygen gas according to the following equation: 2 H2O2 (aq) 2 H2O (l) + O2 (g) a. How many mL of oxygen gas at STP were generated from 50.0 g of H2O2? b. If 225 mL of oxygen gas at STP were needed for an experiment, how many moles of H2O2 would be needed?

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1. In the lab, students generated and collected oxygen gas according to the following equation:
2 H2O2 (aq) 2 H2O (l) + O2 (g)
a. How many mL of oxygen gas at STP were generated from 50.0 g of H2O2?
b. If 225 mL of oxygen gas at STP were needed for an experiment, how many moles of H2O2 would be needed?

 

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