Ответ:
кисень—це оксиген, отже :
Mr(CaCO3) = 40 + 12 + 16*3 = 100
W(O) = Ar(O)*n / Mr(CaCO3)*100% = 16*3 / 100*100% = 48%
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Ответ:
кисень—це оксиген, отже :
Mr(CaCO3) = 40 + 12 + 16*3 = 100
W(O) = Ar(O)*n / Mr(CaCO3)*100% = 16*3 / 100*100% = 48%