\( \mathrm{CaCO}_{3} \) is \( 90 \% \) pure. Volume of \( \mathrm{CO}_{2} \) collected at \( \ma...

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\( \mathrm{CaCO}_{3} \) is \( 90 \% \) pure. Volume of \( \mathrm{CO}_{2} \) collected at \( \mathrm{STP} \) when \( 10 \mathrm{~g} \) of \( \mathrm{CaCO}_{3} \) is decomposed is
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