107. Задачка по химии №010 721

Calculate a sample for the preparation of 500 ml of a titrated solution of sodium hydroxide with a concentration of 0.1 mol/L. What weight of potassium hydrophthalate should be taken for installation K in order to use 20.00 ml of titrant for titration? Mm. sodium hydroxide = 40.00 g/mol. Mm. potassium hydrophthalate \u003d 204.23 g / mol.

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