September 2018 1 19 Report

1.Ile gram siarczku magnezu otrzymano, jezeli do reakcji zuzyto 2 mole magnezu i 3 mole siarki?

2.Oblicz mase Al2O3 powstajacego w reakcji 40g glinu z O2.

4Al+ 3O2--> 2 Al2O3


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