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snezhanabalaxo
@snezhanabalaxo
July 2022
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Какие массы соли и воды необходимо взять для приготовления 500г 20% раствора ?
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Руина
M(раствора) = 500г
w(NaCl) = 20%
m(NaCl) = 500/100*20=100г
m(H2O) = 500-100=400г
Все понятно? :)
2 votes
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Answers & Comments
w(NaCl) = 20%
m(NaCl) = 500/100*20=100г
m(H2O) = 500-100=400г
Все понятно? :)