Предмет: Химия, автор: vladshapowalow

Концентрированные растворы обычно тяжелее воды. Например, плотность 50% раствора NaOH составляет 1,53 г/см3. Какой объем занимают 100 г такого раствора?
Сколько граммов NaOH растворено в этом объеме?

Ответы

Автор ответа: ainglikova
0
,,,,,,,,,,,,,,,,,,,,,,,вторая на втором фото
Приложения:
Автор ответа: vladshapowalow
0
блин,спасибо тебе огромное)) а ты можешь еще помочь??
Автор ответа: ainglikova
0
Ну выкладывай сюда
Автор ответа: vladshapowalow
0
Сколько граммов KNO3 необходимо взять для приготовления 1 л раствора с концентрацией 0,5 моль/л (0,5М)?
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