September 2021 0 20 Report
1. Какой объем 5% раствора серной кислоты [H2SO4] =1.031 гсм3 необходим для взаимодействия с 2 см3 раствора основного гидроксида КOH концентрации 0.5 мольл? 2. Сколько молей KMnO4 необходимо для взаимодействия с 1.89 г SnCl2 по реакции:
KMnO4 + SnCl2 + HCl  KCl + MnCl2 + SnCl4 + H2O
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