The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies________________?

Related Mcqs:

Quartz is__________________?

A. Stable form of silica upto 870°C B. Converted to Tridymite on firing between 870 to 1470°C C. Transformed to Cristobalite on heating above 1470°C D. All A., B. and C....

pH value of H2SO4 (5% concentration) is__________________?

A. 5 B. 7 C. > 7 D. < 7...

Size range of the colloids particles is __________________?

A. 5 – 200 milli-microns B. 50 – 200 microns C. 500 – 1000 microns D. 10 – 50 Angstrom...

The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

A. 0.07 B. 0.09 C. 0.11 D. 0.13...

80 kg of Na2SO4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na2SO4 .10H2O crystals separate out. The weight fraction of Na2SO4 in the remaining solution is_________________?

A. 0.00 B. 0.18 C. 0.24 D. 1.00...