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23 May, 19:04

How many moles of H2 would be contained in 4.0 L of the gas at 202.6 kPa and 127°C?

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  1. 23 May, 21:26
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    Use PV = nRT. Rearrange it to n = PV/RT.

    P = 202.6 kPa

    V = 4.0L

    R = 8.314 kPa*L/mol*K

    T = 127 °C + 273 = 400 K

    Plug it in and solve. I got 0.24 moles of H2.
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