Question

An element X forms four oxide having percentages of X equal to 77.4% , 63.2%,69.9% and 72.0%. Verify Law of multiple proportion.

Answer 1

mass of x per 100 g

77.4

68.2

69.9

72.0

mass of 0xygen per 100g

22.6

36.8

30.4

28.0

for 1 g mass of oxygen

0.29

0.58

0.44

0.39

0.29/0.29=1

0.58/0.29=2

0.44/0.29=1.5

0.39/0.29=1.34

=>1:2:1.5:1.34

multiple by 6

6:12:9:8

since the masses of oxygen for given mass of X are in integer.

therefore,Multiple Proportion Produced.

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