Curioustab

Home » Chemical Engineering » Stoichiometry

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

XM < 0.5
XM = 0.5
0.5 < XM < 0.64
XM ≥ 0.64

Correct Answer: XM ≥ 0.64

← Previous Question Next Question→

More Questions from Stoichiometry

An ideal gas can be liquified, because
A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16)
Pick out the wrong statement.
Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm.
Average molecular weight of air is about
At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be
If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times.
Increasing the temperature of an aqueous solution will cause decrease in its
The chemical nature of an element is independent of
Which of the following is an exothermic reaction?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion