Предмет: Химия, автор: mdamda75

10 ый номер , пожалуйста

Приложения:

Ответы

Автор ответа: snow99
1

1) 1 моль СO2 содержит 1 моль C =>

0,8 моль CO2 содержит 0.8 моль C

n(C) = m(C)/M(C), m(C) = n(C)*M(C) = 0.8*12 = 9,6 г

Ответ: 1 - d


2) 1 моль H2O содержит 2 моля H =>

0,7 моль H2O содержит 1,4 моль Н.

n(H) = m(H)/M(H), m(H) = n(H) * M(H) = 1,4*1 = 1,4 г

Ответ: 2 - е


3) 1 моль SO3 содержит 1 моль S =>

0,4 моль SO3 содержит 0.4 моль S.

n(S) = m(S)/M(S), m(S) = n(S) * M(S) = 0,4 * 32 = 12,8 г

Ответ: 3 - b


mdamda75: спасибо
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