If 12 g of water is formed during comple...

If 12 g of water is formed during complete combustion of pure propene `(C_(3)H_(6))`, the mass of propene burnt is :

42 g

21 g

14 g

56 g

Text Solution

Verified by Experts

The correct Answer is:

`underset(underset(=42g)((3xx12+1xx6)))(C_(3)H_(6)(g))+9//2O_(2)(g)rarr3CO_(2)(g)+underset(3xx18=54g)(3H_(2)O(l))`
54 g of `H_(2)O` is formed by the combustion of `C_(3)H_(6) = 42g` 27 g of `H_(2)O` is formed by the combustion of `C_(3)H_(6)=((42g))/((54g))xx(27g)=21g`.

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