JEE Main | 2026Mole ConceptMedium
Question
Elements P and Q form two types of non-volatile, non-ionizable compounds PQ and . When 1 g of PQ is dissolved in 50 g of solvent ' A '. was 1.176 K while when 1 g of is dissolved in 50 g of solvent ' A ', was 0.689 K . ( of ' A ' ). The molar masses of elements P and Q (in ) respectively, are :
Options
A.70,110
B.65,145
C.60,25
D.25,60
Solution
Let molar mass of are and respectively
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
In a textile mill, a double effect evaporator system concentrates weak liquor containing 4% (by mass) caustic soda to pr...Pure FeS2 is burnt with 60% excess air. What is the percentage of N2, by volume, in the gaseous mixture after the reacti...When the hydrocarbon propane is burned in air, carbon dioxide and water are formed. If 0.15 mol of CO2 is produced, then...The molecular formula of a compound is X4O9. If the compound contains 40% X by mass, then what is the atomic mass of X?...One mole of mixture of N2, NO2 and N2O4 has a mean molar mass of 55.4 g. On heating to a temperature, at which all the N...