Chemistry, 07.12.2020 16:50 jwyapo4

A balloon contains 8.4 L of helium gas at STP. How many moles of helium are in the balloon? 8.4 moles He

2.1 moles He

0.38 moles He

190 moles He

Answers: 2

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A balloon contains 8.4 L of helium gas at STP. How many moles of helium are in the balloon? 8.4 mol...