20 ml of 0.4 M H2SO4 and 80 ml of 0.2 M NaOH are mixed. Then the pH of the resulting solution is
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a
7
b
1.097
c
12.903
d
11.903
answer is A.
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Detailed Solution
On mixing, the following reaction take placeMillimolesSince there is no limiting reagent, acid and base will be completely neutralised.PH of a neutral salt (Na2SO4) solution is 7.