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Calculate the molarity of a kcl solution made by dissolving 21.2 g of kcl in a total volume of 500. ml. calculate the molarity of a kcl solution made by dissolving 21.2 g of kcl in a total volume of 500. ml. 0.142 0.284 7.03 0.569 none of the above

Respuesta :

PBCHEM
Molarity of solution = [tex] \frac{\text{weight of solute i.e. KCl (g)}}{\text{Gram Molecular Weight X Volume of solution(L)}}[/tex]

Gram molecular weight of KCl = 74.55 g
Volume of solution = 500 ml = 0.5 l

∴ Molarity = [tex] \frac{21.2}{74.55 X 0.5}[/tex] = 0.569 M

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