Предмет: Химия, автор: lolcoollol200

к воде массой 40 г добавить 5 чайных ложки сахара ( одна чайная ложка 5 гр) Определить массовую долю сахара в полученном растворе.

Ответы

Автор ответа: annovozhen
0
mсахара=5*5=25гр
Wвещ-ва=25/40*100=62.5%
Автор ответа: annovozhen
0
w=25/25+40*100=38.46
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