Determine the concentration of Cl- remaining in solution if a precipitate forms when equal volumes of...

Determine the concentration of Cl- remaining in solution if a precipitate forms when equal volumes of 7.76 x 10^-3 M HCl and 5.24 x10^-7 M AgNO3 are mixed to produce AgCl. Ksp AgCl = 1.6 x10^-10. Report the concentration of Cl- as a -log value, pCl = -log Cl- concentration

Expert Solution

HCl + AgNO3 ----------------> AgCl + HNO3

1 1

7.76x10^-3 5.24 x10^-7

limiting reagent is AgNO3 . so AgNO3 consumed totally.

number of moles of H+ reamin = 7.76x10^-3 - 5.24 x10^-7

= 7.76 x 10^-3

equal volumes are mixed

[Cl-] = 7.76 x 10^-3 / 2

[Cl-] = 3.88 x 10^-3 M

pCl- = -log (3.88 x 10^-3)

pCl- = 2.41

queen_honey_blossom answered 2 years ago

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Determine the concentration of Cl- remaining in solution if a precipitate forms when equal volumes of...

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