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Ores and Minerals

Two oxides of...

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Two oxides of metal contain 72.4 % and 70% of metal respectively? If formula of 2nd oxide is M2O3 find that of first

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Q. Two oxides of metal contain 30.0 and 27.6 per cent of oxygen respectively. If the formula of the first oxide is

M_{2} O_{3}

, then find the formula of the second oxide.

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50

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% of the metal respectively. The formula of the first oxide is

M O

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27.6 % a n d 30.0 %

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