O-LevelPhysicsForces5054/11 · May/June 2021 · Q71 Mark
Water is added to a measuring cylinder containing 100 cm³ of liquid paraffin. (The density of paraffin is 0.80 g/cm³ and that of the water is 1.0 g/cm³.) As the water is added, the level of the paraffin rises to 150 cm³. The paraffin and water do not mix. What finally is the total mass of liquid in the measuring cylinder?
A130 g
B140 g
C167 g
D175 g
✓ Correct answer
A: 130 g
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