5. Calculate the carbonate, total and constant hardness of water (in mEq/l), if, when determining carbonate hardness, 5.44 ml of 0.09275 N were used to titrate 200 ml of water. solution of hydrochloric acid, and for the titration of salts that determine the total hardness of 100 ml of water, 12.50 ml of 0.05 N was consumed. Trilon B solution (K=0.8738).
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