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What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)

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  1. Use the ideal gas law:
    P V = n R T,
    which tells you that
    P = n R T/V

    n = 10.0 moles
    T = 293 K
    V = 7.5 L
    Solve for P in Pascals

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    posted by drwls

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