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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Equilibrium
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The $pH$ of a solution is 5.00. To this solution, sufficient acid is added to lower the $pH$ to 2.00. The corresponding increase in $H_3O^+$ ion concentration is

(a) 1000 times

(b) 2.5 times

(c) 100 times

(d) 5 times

Can you answer this question?

1 Answer

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Answer: 1000 times
$[H_3O^+] = 10^{-5}$ M
On adding acid new $[H_3O^+] = 10^{-2}$
$\therefore$ Increase in $[H_3O^+] = 10^3$


answered Nov 29, 2013 by mosymeow_1

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