Q. 20gm of magnesium carbonate sample decomposes on heating to give carbon dioxide and 8gm magnesium oxide . what will be the percentage purity of magnesium carbonate in the sample? 1)60 2)84 3)75 4)96

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Q. 20.0g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample?
(At. Wt. Mg = 24)

20.0

mg of a magnesium carbonate sample decomposes on heating to give carbon dioxide and

8.0

mg magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample?

[Atomic weight of

M g = 24

]

$20.0 g$ of a magnesium carbonate sample decomposes on heating to give carbon dioxide and $8.0 g$ of magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (At. Wt. $M g = 24$ )

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