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The mass of 3.45 L of hydrogen gas at SATP

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Answer:

Step-by-step explanation:

The easy way is knowing that all gases basically are 22.4 L/mol at SATP.

There fore 3.45 L/22.4 L/mol =0.154 mol

Or use PV=nRT

n=(1 atm)(3.45L)/(273 K)(0.82 L atm)/(mol K) =0.154 mol

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