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12 g of solid protassium chlorate (KCIO) were added to 40 g of water and…

12 g of solid protassium chlorate (KCIO) were added to 40 g of water and heated to dissolve all the solid. As the solution cools, crystals of potassium chlorate at 66 oC. The solubility of potassium chlorate at 66 oC is therefore
  • A.
    66
  • B.
    33
  • C.
    10
  • D.
    20
  • E.
    30
Correct Answer: Option E
Explanation

The solubility of KClO3 at 66oC will be (frac{12}{40} times frac{100}{1})
= 30

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