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What Is the Value for Kc for the Following Reaction

Question 166

Multiple Choice

What is the value for Kc for the following reaction: PbCl2(s) ⇌ Pb2+(aq) + 2 Cl-(aq) ,
If PbCl2(s) = 1.50 grams,[Pb2+] = 1.6 × 10-2 M and [Cl-] = 3.2 × 10-2 M at equilibrium? (The molar mass of PbCl2(s) is 278 g/mol and its density is 5.85 g/cm3. )


A) 7.6 × 10-7
B) 1.6 × 10-5
C) 6.2 × 104
D) 1.3 × 106

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