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22 August, 10:10

A compound of phosphorus and chlorine contains 3.00grams of phosphorus and 10.3 grams of chlorine. how many grams of phosphorus would be in a sample of the compound containing 17.2 grams of chlorine?

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  1. 22 August, 11:39
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    mass of phosphorus = 5.01 g

    Explanation:

    Given dа ta:

    Mass of chlorine in sample = 10.3 g

    Mass of phosphorus in sample = 3.00 g

    Mass of chlorine in same sample = 17.2 g

    Mass of phosphorus in this sample = ?

    Solution:

    To solve this problem we will use cross multiplication method.

    Mass of phosphorus / mass of chlorine = Mass of phosphorus / mass of chlorine

    3.00 g / 10.3 g = x / 17.2 g

    0.29126 * 17.2 g = x

    x = 5.01 g

    So the sample with 17.2 gram of chlorine will have 5.01 gram of phosphorus in it.
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