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DANIIL1010
@DANIIL1010
July 2022
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Рассчитайте массу CuSO4*5H2O, необходимую для приготовления 5л 0.01% раствора.
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anya3310
N(CuSO4•5H2O раствор)= 5/22.4=0.22моль
w=m(в-ва)/m(р-ра)
m(CuSO4•5H2O раствора) = 0.22• 250=55г
m(CuSO4•5H2O вещества) = 55 • 0.01= 0.55г
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Answers & Comments
w=m(в-ва)/m(р-ра)
m(CuSO4•5H2O раствора) = 0.22• 250=55г
m(CuSO4•5H2O вещества) = 55 • 0.01= 0.55г