Предмет: Химия, автор: Stulnev66bogdan

В воде массой 1000 г растворили 1 моль сульфата натрия. Рассчитайте массовую долю сульфата натрия в полученном расстворе

Ответы

Автор ответа: Nick200152

m(Na₂SO₄) = 142 г/моль * 1 моль = 142 г
m раствора = 1000 г + 142 г =1142 г
ω(Na₂SO₄) = 142 г/1142 г ≈ 12,43 %

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