# ​calculate the mass of sulphuric acid required to decompose 25g of pure marble. what is the volume of the Co2 if measured at STP

1. The reaction is as follows:

CaCO3 (s) + H2SO4(aq) $\to$ CaSO​4(aq) + CO2 + H2O

1 mole of pure marble reacts with 1 mole of sulphuric acid to give 1 mole of carbon dioxide.

2. Mass of Sulphuric Acid:

Number of moles of Calcium Carbonate =
Mass of Sulphuric acid =

3. Volume of Carbon dioxide:

1 mole of gas at STP has volume 22.4 L

So, Volume of Carbon dioxide =

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