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  4. In the decomposition of 10 g of MgCO 3, 0.1 mole CO 2 and 4.0 g MgO are obtained. Hence, percentage purity of MgCO 3 is

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Q. In the decomposition of $10\, g$ of $MgCO _3, 0.1$ mole $CO _2$ and $4.0\, g\, MgO$ are obtained. Hence, percentage purity of $MgCO _3$ is

Some Basic Concepts of Chemistry

Solution:

Correct answer is (d) $84 \%$

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