Question

If 8 g of NaOH is dissolved in water to make 1 L of solution, then the pH of solution is 

(a) 13.70 

(b) 10.28 

(c) 8.42 

(d) 12.89

Answer 1

Correct option: (a) 13.70 

Weight of NaOH dissolved = 8g

∴ Equivalent of NaOH dissolved

\(= \cfrac{8}{40}\) 0.2