Oblicz stosunek masowy siarki do tlenu a) SO2 b)SO3
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Obliczanie procentowej zawartości pierwiastków w związkach chemicznych.
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a) mSO2=32u+32u=64u
mS : mO = 32 : 32
mS : mO = 1 : 1
%S = (32/64)*100% = 50%
%O = (32/64)*100% = 50%
b) mSO3=32u+48u=80u
mS : mO = 32 : 48
mS : mO = 2 : 3
%S = (32/80)*100% = 40%
%O = (48/80)*100% = 60%