What volume of alcohol will have same mass as 4.2m-3 of p...
What volume of alcohol will have same mass as 4.2m-3 of petrol?
Density of alcohol = 8.4 x 10^2 kgm-3, density of petrol =7.2x10^2 kgm-3
0.8m3
1.4m3
3.6m3
49.m3
Correct answer is C
Mp = ep x Vp
Mp = 7.2 x 102 x 4.2 = 3024
VA = MeA
VA = 30248.4×102
VA = 3.6
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