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

View answer & explanation

Correct answer is E

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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