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22 August, 17:18

In a chemical reaction, you collect 500 ml of hydrogen gas at stp how many moles of hydrogen gas did you collect?

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  1. 22 August, 17:23
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    Stp represents the standard temperatures and pressure (temp of 273 kelvin and pressure of 1 atm). At s. t. p one mole of a gas occupies a volume of 22400 Cm3 or ml. Therefore, we can determine the number of moles of hydrogen gas that will occupy a volume of 500 ml.

    number of moles = 500 ml : 22400 ml = 0.02232 moles.

    Therefore, the number of moles equivalent to a volume of 500 ml of hydrogen are 0.02232 moles.
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