Respuesta :

assumed that all of the initial Mg had reacted, therefore the total amount of Mg had transferred into Mg2+ in MgCl2

Molar mass for Mg is 24.31 g/mole and MgCl2 is 95.21 g/mole

--> nMgCl2= nMg = 24.31 g ÷ 24.31 g/mole = 1 mole

--> so the mass of MgCl2 = 1 mole × 95.21 g/mole = 95.21 g

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