Mole ConceptHard
Question
A gaseous mixture contains 70% N2 and 30% unknown gas by volume. If the average molecular mass of gaseous mixture is 37.60, then the molecular mass of unknown gas is
Options
A.42.2
B.60
C.40
D.50
Solution
$37.60 = \frac{70 \times 28 \times 30 \times M}{100} \Rightarrow M = 60$
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
Which of the following statement(s) is/are correct for water?...The vapour density of a sample of hydrogen fluoride gas is measured by an experiment as 20. It may represent that (F = 1...The composition of universe is approximately 90% hydrogen and 10% helium, by mass. It represents that...Elements P and Q form two types of non-volatile, non-ionizable compounds PQ and ${PQ}_{2}$. When 1 g of PQ is dissolved ...1.2575 g sample of [Cr(NH3)6]SO4Cl(Mw = 251.5) is dissolved to prepare 250mL solution showing and osmotic pressure of 1....