What volume of alcohol will have same mass as 4.2m³ of petrol? Density of alcohol = 8.4 x 102kgm−³, density of petrol =7.2x103kgm−³

By: |Published on: Nov 8|Categories: Physics JAMB| 0 comments

A. 0.8m³
B. 1.4m³
C. 3.6m³
D. 49m³

Correct Answer:

Option C – 3.6m³

Explanation

Mp = ep x Vp

Mp = 7.2 x 10² x 4.2 = 3024

VA = M/eA

VA = 3024/(8.4×10²)

VA = 3.6

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