1.

V_(1) mL of x molar hydrochloric acid is mixed with V_(2) mL of y molar sodium hydroxide. Arrange the following steps in correct sequence for calculation of pH of the mixture. (y gt x and V_(1) gt V_(2)) (1) Calculation of the number of equivalents of acid and base (2) Calculation of the total volume of mixture (3) Calculation of the normality of acid and base (4) Calculation of the net OH^(-) ion concentration. (5) Taking the negative logarithm of H^(+) ion concentration. (6) Dividing K_(w) " by " OH^(-) ion concentration

Answer»

1 3 2 6 4 5
3 1 2 4 5 6
3 1 2 6 4 5
1 2 3 4 5 6

Solution :(i) CALCULATION of the normality of acid and base
(ii) calculation of the number of equivalents of acid and base
(iii) calculation of the total volume of the mixture
(iv) calculation of the net `OH^(-)` ion concentration
(v) dividing `K_(w) " by " OH^(-)` ion concentration
(vi) taking the negative logarithm of `H^(+)` ion concentration


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