27. Calculate the molarity of NaOH(40 g/mol) solution if 1w.25 mL qas used to tirate 0.2615 gram of primary standard KHP (204.22 g/mol).?
28. A solution of H2SO4 is 0.1372 N. How many millilitets of 0.1421 N KOH solution are required to neutralize 13.72 mL of the acid.?
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