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Exercice 1 What will be the molarity of the solution resulting from 20 ml of 3.0 M HNO; with 80 ml of water ? Exercice 2 What will be the molarity of the solution of the mixture of 50 ml of 1.0 M H2SO4 with 200 ml of 0.50 M H2SO4? Exercice 3 How much water and what volume of 0.50M NaOH should we mix to make 100 ml of NaOH 0,020M? Exercice 4 We mix 10 ml of NaCl 0.3 M with 25 ml of NaBr 0.1 M. Calculate the molarity of ions present in the mixture. Exercice 5 We mix 10 mol of FeC1; 0.2 M with 10 ml of CaCl 0.3 M. Calculate the molarity of all ions present in the mixture