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30 September, 17:39

The whole number mass ratio of oxygen to hydrogen in water is 8:1. How many grams of oxygen are there in 90 grams of water?

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  1. 30 September, 20:43
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    Answer: 80g

    Explanation:

    Oxygen = 8

    Hydrogen = 1

    Total = 9

    Mass of oxygen = (8/9) x 90 = 80g
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