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If mne metal oxife oxygen is 27.6% and formula is MO other oxide oxygen js 30% what is the formula

If mne metal oxife oxygen is 27.6% and formula is MO other oxide oxygen js 30% what is the formula

Grade:12th pass

1 Answers

Khimraj
3007 Points
5 years ago
for first compound 
let mass of metal is x
then
[x/(x+16)]*100 = 72.4
so x = 42
then for second ration of M and O
M          :      0
70/42    :   30/16
1/14      :    3/4 
4           :     42
so formula is
M4O42
Hope it clears.

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