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If Chromium(III)chloride Is Added to Be 1 × 10-12 M

Question 92

Multiple Choice

If chromium(III) chloride is added to be 1 × 10-12 M in an aqueous solution that is 0.10 M NH3,what is Qsp and will Cr(OH) 3(s) precipitate? The Ksp of Cr(OH) 3 is 6.3 × 10-31 and Kb for NH3 is 1.8 × 10-5.


A) 1.0 × 10-16,yes
B) 2.4 × 10-23,no
C) 2.2 × 10-19,no
D) 2.2 × 10-19,yes
E) 2.4 × 10-21,yes

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