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Mashaaaaaaaa200000
@Mashaaaaaaaa200000
October 2021
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Вычислить массовую долю элемента Cu S O4
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Verified answer
Дано:
СuSO₄
найти: w(Cu), w(S), w(O)
решение:
w = (Ar * n\Mr)*100%
Mr(CuSO₄) = 64 + 32 + 16*4 = 160
w(Cu) = (64*1\160)*100% = 40%
w(S) = (32*1\160)*100% = 20%
w(O) = (16*4\160)*100% = 40%
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Answers & Comments
Verified answer
Дано:СuSO₄
найти: w(Cu), w(S), w(O)
решение:
w = (Ar * n\Mr)*100%
Mr(CuSO₄) = 64 + 32 + 16*4 = 160
w(Cu) = (64*1\160)*100% = 40%
w(S) = (32*1\160)*100% = 20%
w(O) = (16*4\160)*100% = 40%