Consider the Equilibrium of PbCl₂(s)in Water

question 35

Multiple Choice

Consider the equilibrium of PbCl₂(s) in water. PbCl₂(s) ? Pb²⁺(aq) + 2Cl?(aq) , What is the effect of adding NaCl(aq) to the equilibrium solution?

• A) The sodium ion reduces the Pb²⁺ to Pb(s).
• B) PbCl₂ solubility increases due to the common-ion effect.
• C) PbNa₂(s)precipitates.
• D) The NaCl(aq)has no effect on the system.
• E) PbCl₂(s)precipitates until equilibrium is reestablished.

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