October 2021 0 14 Report
помогите пожалуйста: Для раствора 7.8г гидроксида 3х валентного металла израсходовали 50 мл 20%-ной HCl( плотность= 1.1 г\мл ) . Определить атомную массу металла и формулу гидроксида. СПАСИБО
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