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A solution has pH=5, it is diluted 100 t...

A solution has `pH=5`, it is diluted `100` times, then it will become

A

Neutral

B

Basic

C

Unaffected

D

More acidic

Text Solution

Verified by Experts

The correct Answer is:
A
pH = 5 , means `[H^(+)] = 10^(-5)M `
After dilution `[H^(+)] = 10^(-5)//100 = 10^(-7)M`
`[H^(+)] ` from `H_(2)O` cannot be neglected .
Total `[H^(+)] = 10^(-7) +10^(-7) = 2 xx 10^(-7)`
pH = `7 - 0.3010 = 6.6990 = 7` (neutral )
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