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a solution has a volume of 250 ml and contains 0.70 mol Nacl what is the molarity

Respuesta :

Willchemistry
first convert mL into liters:

1 L = 1000 mL

250 mL / 1000 = 0.25 L

M = n / V

M = 0.70 / 0.25

M = 2.8 mol/L⁻¹

hope this helps!

The correct answer is D, 2.8 M.

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