Question

0.05 Mole of NaOH is added to 5 litre of water what will be the pH of solution
12
7
2
10​

Answer 1

Answer:

The pH is 12.

Explanation:

We first need to get the concentration of Sodium hydroxide in 10 Liters of water.

We analyze this below :

0.05 moles -— 5 liters

? — 1 liter

Molar concentration is :

0.05/ 5 = 0.01 moles.

POH = - log (concentration of OH)

= - log (0.01) = - (-2) = 2

PH of water = 14 - 2 = 12

The pH of the solution is 12.

The solution is therefore basic.

Answer 2

The pH is 12.

Hope this helps you ;-)