Class 11 Chemistry Some Basic Concepts of Chemistry Percentage composition and Molecular formula

Difficult

$A$ sample of calcium carbonate $(CaCO_3)$ has the following percentage composition: $Ca = 40\%$; $C = 12\%$; $O = 48\%$. If the law of constant proportions is true,then the weight of calcium in $4 \, g$ of a sample of calcium carbonate obtained from another source will be $... \, g$.

A
$0.016$
B
$0.16$
C
$1.6$
D
$16$

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Class 11

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Some Basic Concepts of Chemistry

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Percentage composition and Molecular formula

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