Answer to Question #143980 in General Chemistry for Javier

Question #143980

How many moles of KCl are in 250.0 mL of 0.028 M KCl?

Expert's answer

number of moles = ?

volume of KCl = 250.0 mL = 250.0/1000 L = 0.25 L

molar concentration of KCl = 0.028 M

number of moles = volume × molar concentration

number of moles = 0.25 × 0.028 = 0.007 mol.

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