precipitate question?

2 ⤊

precipitate question?

A precipitate will form when aqueous AgNO3 is added to an aqueous solution of ____.

a.KNO3
b.Ca(ClO4)2
c.KI
d.NaNO3
e.Cu(NO3)2

2007-05-30 07:50:20 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

c.

AgNO3 (aq) + KI (aq) >> KNO3 (aq) + AgI (s)

Ksp of AgI ( slightly soluble salt ) is 8.5 x 10^-17

2007-05-30 08:06:19 · answer #1 · answered by Anonymous · 2⤊ 0⤋

It is used to determine whether a precipitate will form.
If AgNO3 is added to saturated AgCl, the increase in [Ag+] will cause AgCl to precipitate.
From Jacob.

2007-05-31 09:39:53 · answer #2 · answered by Anonymous · 0⤊ 1⤋

c. KI(aq) + AgNO3(aq) ===> AgI(s) + KNO3(aq)

2007-05-30 15:06:37 · answer #3 · answered by steve_geo1 7 · 0⤊ 0⤋