w = A*N/MM(HMnO4) = 120 г/мольw(O) = 16*4/120 = 53.33%w(H) = 1*1/120 = 0.83%w(Mn) = 55*1/120 = 45.83%
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w = A*N/M
M(HMnO4) = 120 г/моль
w(O) = 16*4/120 = 53.33%
w(H) = 1*1/120 = 0.83%
w(Mn) = 55*1/120 = 45.83%