Chemistry > 2012 > 17
JAMB UTME
Potassium trioxochlorate(V) has a solubility of 1.5mol dm-3 at 45°C. On cooling this solution to a temperature of 20°C, the solubility was found to be 0.5 mol dm-3. What mass of KClO3 was crystallized out?
[Molar Mass of KClO3= 122.5gmol-1]
[Molar Mass of KClO3= 122.5gmol-1]
A.
1.00g
B.
10.00g
C.
12.25g
D.
122.50g
Answer: D
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