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Calculate the volume of CO2 evolved at S...

Calculate the volume of `CO_2` evolved at STP when 10g of `CaCO_3` is treated with mineral acid.

Text Solution

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`Ca CO_(3) + 2 H Cl to Ca Cl _(2) + CO _(2) + H _(2) O`
Number of moles of `Ca CO _(3) = ( 10 g)/( 100 g ) = 0.1 ` mol , Number of moles of `CO _(2)` evolved `= 0.1 ((1)/(1)) = 0.1 ` mol Volume of `CO _(2) = 0.1 xx 22.4 = 2.24 L`
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