3 g of a hydrocarbon on combustion in excess of oxygen produces 8.8 g of CO2 and 5.4 g of H2O. The data illustrates the law of:

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Conservation of mass

Multiple proportions

Constant proportions

Reciprocal proportions

answer is A.

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Detailed Solution

Mass of “C” in 8.8 as of CO2=1244×8.8=2.4gm ; mass of “H” in 5.4 g of A2O=218×5.4=0.6g∴ total mass of (C+H)=2.4+0.6=3.0 gThus law of mass conservation is illustrated.

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