A solution prepared by dissolving a 2.50 g sample of an unknown compound dissolved in 34.0 g of benz — Solutions Chemistry Question
Question
A solution prepared by dissolving a 2.50 g sample of an unknown compound dissolved in 34.0 g of benzene, C6H6, boils 1.38 °C higher than pure benzene. Which expression gives the molar mass of the unknown compound?
A.
(2.53 × 2.50) / 1.38
B.
(1.38 × 34.0) / (2.53 × 2.50)
C.✓ Correct
(2.50 × 10^3 × 2.53) / (34.0 × 1.38)
D.
(2.50 × 10^3 × 1.38) / (34.0 × 2.53)
💬
Still have doubts about this question?
Practice more questions like this, completely free.