Mole ConceptHard
Question
On heating KClO3 at a certain temperature, it is observed that one mole of KClO3 yields one mole of O2. What is the mole fraction of KClO4 in the final solid mixture containing only KCl and KClO4, the latter being formed by parallel reaction?
Options
A.0.50
B.0.25
C.0.33
D.0.67
Solution
2KClO3(s) → 2KCl(s) + 3O2(g)
2/3 mole 2/3 mole 1 mole
4KClO3(s) → 3KClO4(s) + KCl(s)
1/3 mole 1/4 mole 1/12 mole
Mole fraction of KClO4 = $\frac{1/4}{1/4 + (2/3 + 1/12)} = 0.25$
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
What mass of carbon disulphide CS2 can be completely oxidized to SO2 and CO2 by the oxygen liberated when 325 g of Na2O2...A mixture of N2 and H2 is caused to react in a closed container to form NH3. The reaction ceases before either reactant ...Which of the following statements is/are correct ?...In a textile mill, a double effect evaporator system concentrates weak liquor containing 4% (by mass) caustic soda to pr...Suppose you want an acidic solution to carry out a chemical reaction with 2 moles of NaOH. Which sample of acid is the b...