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31 December, 02:36

Palladium forms 3 different compounds with sulfur. The mass of sulfur per gram of palladium in each compound is listed below.

Compound Grams S per gram Pd

A 0.603

B 0.301

C 0.151

Show that these masses are consistent with the law of multiple proportions.

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  1. 31 December, 02:51
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    Compound A:

    Mass of sulphur = 0.603g

    Mass of Palladium = 0.397g

    0.603g of sulphur combine with 0.397g of Palladium.

    Therefore, 1g of sulphur will combine with = 0.397 / 0.603 = 0.658g of Palladium

    Compound B:

    Mass of sulphur = 0.301g

    Mass of Palladium = 0.699

    0.301g of sulphur combine with 0.699g of Palladium. Therefore, 1g of sulphur will combine with

    = 0.699 / 0.301 = 2.322g of Palladium

    Compound C:

    Mass of sulphur = 0.151g

    Mass of Palladium = 0.849g

    0. 151g of sulphur combine with 0.849g of Palladium,

    Therefore 1g of sulphur will combine with = 0.849 / 0.151 = 5.623g of Palladium

    Therefore, the masses of Palladium which combine with a mixed mass (1g) of sulphur are in ratio

    0.658 : 2.322 : 5.623 i. e 1: 4 : 9 which is a simple ratio
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