September 2018 2 28 Report
1.Oblicz, ile gramów siarki znajduje się w:
a)17g H2sm
b) 20g SO3
c) 16g CuSO3
2. Oblicz, w ilu gramach chlorku sodu zawarte jest:
a) 11.5 g sodu,
b) 71h chloru
Prosiłbym z obliczeniami!! ;)

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