Answer to Question #167455 in Chemistry for Phyroe

Question #167455

If 140 ml of 0.1 F AgNO3 is required to precipitate, quantitatively, silver chloride from 120 ml of KCl solution, what is the formality of the KCl solution the equation for this chemical reaction is Ag+ + Cl- =AgCl 


1
Expert's answer
2021-03-02T01:03:22-0500

AgNO3 + KCl = AgCl + KNO3

n (AgNO3) = n (KCl)

n = CM x V

0.1 x 0.140 = CM(KCl) x 0.120

CM(KCl) = (0.1 x 0.140)/0.120 = 0.12 M




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