mH₂S₂O₇=2*1u+2*32u+7*16u=2u+64u+112u=178u
mS=2*32u=64u
178u - 100%
64u - x%
x=(64u*100%):178u≈36%<-zawartość procentowa siarki
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mH₂S₂O₇=2*1u+2*32u+7*16u=2u+64u+112u=178u
mS=2*32u=64u
178u - 100%
64u - x%
x=(64u*100%):178u≈36%<-zawartość procentowa siarki