CHEMISTRY
JAMB 2003 - Question 1
2003 JAMB Past questions - Question 1: What volume of oxygen is produced from the decomposition of 2 moles of KCLO at s.t.p.?
Choose the correct answers from the options given.
What volume of oxygen is produced from the decomposition of 2 moles of KCLO at s.t.p.?
A:
B:
C:
D:
Correct Answer
D
Explanation
2KCLO₃ 2KCL +3O2 moles KCLO₃ produced 3 moles of Oâ‚‚ 1 mole of oxygen = 67.2dm³ therefore 3 moles = 22.4 x 3 = 67.2dm³