jaylota jaylota

18-10-2022
Chemistry

contestada

2 g of copper oxide (in excess)
25 cm³ of a solution of dilute sulfuric acid with a concentration of 49 g/dm³
Determine by how many moles the copper oxide (CuO) was in excess.
Relative atomic masses (Ar): Cu = 63.5 O = 16
Relative formula mass (Mr) of sulfuric acid = 98

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