Mole ConceptHard
Question
The density of air is 0.001293 g/ml at S.T.P. Its vapour density will be :
Options
A.10
B.15
C.1.44
D.14.4
Solution
Density of air = 0.001293 gm/ml
1 mole of air at STP have 22.4 lit volume
∴ Mass of 1 mole = 22400 × 0.001293 = 28.96 gm
Vapour density =
= 14.48.
1 mole of air at STP have 22.4 lit volume
∴ Mass of 1 mole = 22400 × 0.001293 = 28.96 gm
Vapour density =
= 14.48. Create a free account to view solution
View Solution FreeMore Mole Concept Questions
The total number of electrons in one molecule of carbon dioxide is :...The temperature at which molarity of pure water is equal to its molality is :...If NA is Avogadro′s number then number of valence electrons in 4.2 g of nitride ions (N3-)...When a mixture of aluminium powder and iron (III) oxide is ignited, it produces molten iron and aluminium oxide. In an e...A volume of 100 ml of M–NaCl solution, 100 ml of 2 M–MgCl2 solution and 300 ml of 4 M–Mg(NO3)2 solution is mixed togethe...