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G is a solution of an impure tetraoxosulphate (vi)acid. (Sulphuric) containing 400g in 250cm3 solution.it...

G is a solution of an impure tetraoxosulphate (vi)acid. (Sulphuric) containing 400g in 250cm3 solution.it is a solution of pure sodium hydroxide containing 6.00g/dm3. If 25cm3 portions of solution H required is an average of 15.50cm3 for complete neutralization. Calculate the
(a) concentration of solution H in mol/dm3
(b)concentration of solution G in mol/dm3
(c)concentration of the pure acid in solution G in grams/dm3
(d)percentage of impurity in solution G?

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