1.

A mixture of CaCO3(s) and NH4HS(s) is heated upto constant mass, if vapour density of gasesevolved is measured and found to be 95/6 then the% by moles of CaCO3 in initial mixture will be -CaCO3(s) + Cao(s) + CO2(g)NH4HS(s) + NH3(g) + H2S(g)​

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