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16 May, 16:49

What mass of water (H2O) will be collected if 20.0 grams of oxygen gas (H2) are consumed

2H2+O2-->2H2O

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  1. 16 May, 20:20
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    no. mole of H2 = mass/RAM

    =20/2 (2)

    =5mol

    no. mole of H20=mass/RAM

    =5molx2 (2+16) mol/g

    =180g
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