What volume of alcohol will have same mass as 4... - JAMB Physics 2013 Question
What volume of alcohol will have same mass as 4.2m-3 of petrol?
Density of alcohol = 8.4 x 102kgm-3, density of petrol =7.2x103kgm-3
A
0.8m3
B
1.4m3
C
3.6m3
D
49.m3
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Correct Option: C
Mp = ep x Vp
Mp = 7.2 x 102 x 4.2 = 3024
VA = (\frac{M}{e_A})
VA = (\frac{3024}{8.4 \times 10^2})
VA = 3.6
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