Предмет: Химия, автор: devo4ka395

3. Вычислите молярную концентрацию при растворении 196 г серной кислоты H²SO⁴ в 500 мл раствора.​

Ответы

Автор ответа: Otch1m
1

Для вычисления молярной концентрации нужно сначала найти количество вещества серной кислоты в растворе, а затем поделить его на объем раствора в литрах.

Масса серной кислоты H₂SO₄ равна 196 г, а молярная масса H₂SO₄ равна 98 г/моль. Следовательно, количество вещества H₂SO₄ в граммах равно:

n = m/M = 196 г / 98 г/моль = 2 моль

Объем раствора равен 500 мл или 0,5 л.

Тогда молярная концентрация равна:

с = n/V = 2 моль / 0,5 л = 4 моль/л

Ответ: молярная концентрация раствора серной кислоты равна 4 моль/л.

Автор ответа: inabattapaeva308
0

Ответ:

n=m/M=196 г /98 г/моль= 2 моль

Объем раствора равен 500 мл или 0,5л

Тогда молярная концентрация равна:

c=n/V=2моль /0,5л= 4моль/л

ОТВЕТ: молярная концентрация раствора серной кислоты равна 4 моль/л

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