Ответ:
C₂H₅OH = (12*2) + (1*6) + 16 = 46
Ca(NO₃)₂ = 40 + (14*2) + (16*6) = 164
(NH₄)₂CO₃ = 96
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Ответ:
C₂H₅OH = (12*2) + (1*6) + 16 = 46
Ca(NO₃)₂ = 40 + (14*2) + (16*6) = 164
(NH₄)₂CO₃ = 96