Chemical EQUILIBRIUM

Q1 in a 100ml of an aqueous hydrochloric acid of ph 1.0 , 900 ml of more distilled water is added , the ph of the resultant soln will become_______

answer: 2.0

Q2 50 litres of 0.1M HCL is thouroughly mixed wid 50 litres of 0.2M NaOH. The ph of resulting soln is_______
answer:12.7

3 Answers

1
Anirudh Kumar ·

2)
{OH]= 50*.1=5

[H}= 2*10-15
pH= -15+.3= 14.7

1)
[H]= .01 M after dilution
pH= 2

1
shiku ·

anirudh......... i dint understand the steps, how did u get [H]=2*10-15 in Q2.........
and can u solve Q1in more detail

1
Anirudh Kumar ·

[H][OH]= 10-14 ( assuming 25°C)

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