1.

A mixture of CaCO3(s) and NH4HS(s) is heated upto constant mass, if vapour densityof gases evolved is measured and found tobe 95/6 then the % by moles of CaCO3 ininitial mixture will be :-CaCO3(s) - - Cao(s) + CO2(g)NH4HS(s) – – NH3(g) + H2S(9)​

Answer»

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