a) mCO=12u+16u=28u
12u---x%
28u---100%
x=42,86%C
100%-42,86%=57,14%O
b) mMgS=24u+32u=56u
24u---x%
56u---100%
x=42,86%Mg
100%-42,86%=57,14%S
c) mNa2O=2*23u+16u=62u
46u---x%
62u---100%
x=74,19%Na
100%-74,19%=25,81%O
d) mSO2=32u+2*16u=64u
32u---x%
64u---100%
x=50%S
100%-50%=50%O
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a) mCO=12u+16u=28u
12u---x%
28u---100%
x=42,86%C
100%-42,86%=57,14%O
b) mMgS=24u+32u=56u
24u---x%
56u---100%
x=42,86%Mg
100%-42,86%=57,14%S
c) mNa2O=2*23u+16u=62u
46u---x%
62u---100%
x=74,19%Na
100%-74,19%=25,81%O
d) mSO2=32u+2*16u=64u
32u---x%
64u---100%
x=50%S
100%-50%=50%O