February 2019 0 49 Report
1.W mieszaninie węglanu glinu - Al2(CO3)3 i wodorowęglanu sodu - NaHCO3 węgiel stanowi 14.67 %mas. Jaki jest udział masowy sodu w tej mieszaninie? MNa = 22,99 g/mol MAl = 26,98 g/mol MC = 12,01 g/mol MH = 1,008 g/mol MO = 16,00g/ mol
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