10,5- 8,75g= 1,75 g zanieczyszczeń
10,5 - 100%
1,75 - x%
x=16,667%=17% zanieczyszczeń
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10,5- 8,75g= 1,75 g zanieczyszczeń
10,5 - 100%
1,75 - x%
x=16,667%=17% zanieczyszczeń