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

The correct answer is E. 14g

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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