You visited us 31 times! Enjoying our articles? Unlock Full Access!

Ways to Define Concentration

What is the ...

Question

What is the $p H$ of the $N a O H$ solution when $0.04 g m$ of it dissolved in water and made to $100 m l$ solution?

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

13

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $12$
First of all, you have to calculate the concentration:

$[N a O H] = \frac{(0.04 / 40)}{0.1} = 0.01 M$

Now, sodium hydroxide is monoacidic, so

$[N a O H] = [O H^{-}] = 0.01 M$

$⟹ p O H = - l o g (0.01) = 2$

$⟹ p H = 14 - p O H = 14 - 2 = 12$

$p H = 12$

Suggest Corrections

Similar questions

N a O H

p H

0.005 m o l e s

H_{2} S O_{4}

100 m l

p H

2 g

N a O H

1 l i t r e

100 m l

0.005 M

H_{2} {S O}_{4}

25^{o} C

1000 m l

N a O H

500 m l

Join BYJU'S Learning Program