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4 April, 11:06

You react an excess of hydrogen gas with 8.00 g of oxygen gas to form water (as shown in the balanced equation below). what mass of water is formed, assuming a complete reaction?

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  1. 4 April, 14:28
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    2H₂ + O₂ = 2H₂O

    m (H₂O) = 2M (H₂O) m (O₂) / M (O₂)

    m (H₂O) = 2*18*8/32 = 9 g
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