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The number of grammes of potassium hydroxide in 250cm3 of one molar solution is? (K...

Chemistry
JAMB 1982
The number of grammes of potassium hydroxide in 250cm3 of one molar solution is?
(K = 39, O = 16, H = 1)
  • A. 40g
  • B. 52g
  • C. 100g
  • D. 26g
  • E. 14g
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Correct Answer: Option E
Explanation
1000 cm3 of KOH contains 56 gm of KOH
250 cm3
of 1M KOH will contain (250)/(1000) x (56)/(1) = 14gms
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