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The $K_{sp}$ of $PbBr_2$ is $1.84 × 10^{-7}$.

If 0.020 M lead (II) nitrate and 0.010 M sodium bromide are mixed, what will be observed in the lab?

A

A precipitate will form at the bottom of the beaker, and the remaining solution will be clear and colorless.

B

The solution will be clear and colorless, but a precipitate will form if five more drops of lead (II) nitrate are added.

C

The solution will be clear and colorless, but a precipitate will form if five more drops of sodium bromide are added.

D

The solution will be clear and colorless. No precipitate will form if five more drops of either solution are added.

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