Объяснение:
n(Cu) = N/Na = 9.03•10²³/6.02•10²³ = 1.5 моль
m(Cu) = n•M = 1.5•64 = 96г
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Объяснение:
n(Cu) = N/Na = 9.03•10²³/6.02•10²³ = 1.5 моль
m(Cu) = n•M = 1.5•64 = 96г