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slavasidoruk07
@slavasidoruk07
July 2022
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СРОЧНО ДАМ 12 БАЛЛОВ
Визначити масову частку хлоридної кислоти (%) в розчині, утвореному при додаванні 200 мл води до 300 г 40% її розчину.
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karinakaledina2000
Ответ:24%
Объяснение:
m(HCl)=300*0,4=120г
m(розч.)= 200+300=500г
W(HCl)=120/500=0.24=24%
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Answers & Comments
Объяснение:
m(HCl)=300*0,4=120г
m(розч.)= 200+300=500г
W(HCl)=120/500=0.24=24%