A solution of a weak acid (Ka = 10^(-5) ) has a molarity of (M/5). lOm – InterviewSolution

1.	A solution of a weak acid (Ka = 10^(-5) ) has a molarity of (M/5). lOmL of this solution is neutralised completely with a NaOH solution of molarity (M/20). At the neutralisation point, concentration of H_3O^+ ions (mol*L^(- 1)) is-
Answer» `4.39xx10^(-5)` `1.25xx10^(-6)` `7.02xx10^(-6)` `1.58xx10^(-9)` ANSWER :D

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