The mass of a non-volatile solute (molar mass 80 g mol-1) which should be dissolved in 92g of toluene to reduce its vapour pressure to 90% ………..
A. 10g
B. 20g
C. 9.2 g
D. 8.89g
Answer:D
The mass of a non-volatile solute (molar mass 80 g mol-1) which should be dissolved in 92g of toluene to reduce its vapour pressure to 90% ………..
A. 10g B. 20g C. 9.2 g D. 8.89g