Mole ConceptHard
Question
Vapour pressure of chloroform (CHCl3) and dichloromethane (CH2Cl2) at 25oC are 200 mm Hg and 41.5 mm Hg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of CHCl3 and 40 g of CH2Cl2 at the same temperature will be:
(Molecular mass of CHCl3 = 119.5 u and molecular mass of CH2Cl2 = 85 u)
(Molecular mass of CHCl3 = 119.5 u and molecular mass of CH2Cl2 = 85 u)
Options
A.285.5 mm Hg
B.173.9 mm Hg
C.615.0 mm Hg
D.347.9 mm Hg
More Mole Concept Questions
When 12 g graphite is burnt in sufficient oxygen, CO as well as CO2 is formed. If the product contains 40% CO and 60% CO...The atomic masses of two elements P and Q are 20 and 40, respectively. If ‘a’ g of P contains ‘b’ atoms, then how many a...A quantity of 720 g water is added in 230 g ethanol at a certain temperature to get 1 L of solution. Which of the follow...What is the percentage of ‘free SO3’ in a sample of oleum labelled as ‘104.5%’?...When burnt in air, 14.0 g mixture of carbon and sulphur gives a mixture of CO2 and SO2 in the volume ratio of 2: 1, the ...