Предмет: Химия, автор: HomkaVeronka13

СРОЧНО!
Обчисліть масу солі, яка утворюється при взаємодії натрій гідроксиду масою 2 г із сульфатною кислотою.
Помогите пж

Ответы

Автор ответа: gigited

Ответ:

Дано:

m(NaOH)=2г

Знайти:

m(Na2SO4)-?

2 г х г

2NaOH+H2SO4=Na2SO4+2H2O

80г/моль 142г/моль

х=(2•142)/80=3,55г

Відповідь: m(Na2SO4)=3,55г

HomkaVeronka13: Огромное спасибо)

HomkaVeronka13: Кстати у нас есть группа Altернатива 8 класс, нас там много и мы помогаем друг другу)

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