Предмет: Химия, автор: Dasha21653

Визнач масову частку Оксигену у сполуці Li2SO3. Масова частка Оксигену у Li2SO3 становить:

34
17
51,1

Ответы

Автор ответа: Rinuii
1

Відповідь:

w(O3)=51,1

Пояснення:

Дано:

Li2SO3

Знайти:

w(O3)=?

Розв‘язання:

Mr(Li2SO3) — 100%

Mr(O3)—х%

Маємо:

100% —— 94

х% ——— 48

х=100*48/94=51,1

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