1.

A mixture contains 20% CO2, 30% SO2 and 50% H2O, what is the mass percent of CO2?(a) 23(b) 45(c) 66(d) 87I got this question during an interview.This interesting question is from Analyses of Multicomponent Solutions and Mixtures topic in chapter Moles, Density & Concentration of Basic Chemical Engineering

Answer»

Correct answer is (a) 23

The BEST EXPLANATION: Let the moles be 20, 30 and 50, => MASS percent of CO2 = (20*44)/[20*44 + 30*64 + 50*18] = 23%.



Discussion

No Comment Found

Related InterviewSolutions