The number of grammes of potassium hydroxide in 250cm3 of one molar solution is?
(K = 39, O = 16, H = 1)
- 40g
- 52g
- 100g
- 26g
-
14g
The correct answer is: E
Explanation
1000 cm3 of KOH contains 56 gm of KOH250 cm3
of 1M KOH will contain (250)/(1000) x (56)/(1) = 14gms