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MrFoxD
@MrFoxD
July 2022
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Приготовить 320 г. 10% раствора сульфата железа (2)
8 класс, срочно!!!
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IrVB
W% = m(вещества)*100%/m(раствора)
m(FeSO4) = 320*10/100 = 32 г
m(H2O) = m(раствора) - m(FeSO4)
m(H2O) = 320 - 32 = 288 г
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Answers & Comments
m(FeSO4) = 320*10/100 = 32 г
m(H2O) = m(раствора) - m(FeSO4)
m(H2O) = 320 - 32 = 288 г