Ответ:Mr(CaCO3) = 40+12+(16*3) = 100
Mr(BaCl2) = 137+(35,5*2) = 208
Mr(Na3PO4) = (23*3)+31+(16*4) = 164
Mr(KNO3) = 39+14+(16*3) = 101
Объяснение:
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Ответ:Mr(CaCO3) = 40+12+(16*3) = 100
Mr(BaCl2) = 137+(35,5*2) = 208
Mr(Na3PO4) = (23*3)+31+(16*4) = 164
Mr(KNO3) = 39+14+(16*3) = 101
Объяснение: