# Chapter 3 Chemical Reactions - 3-5 Precipitation Reactions - Review & Check for Section 3-5: 1

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#### Work Step by Step

1) $Pb^{2+}+I^-$: Insoluble, precipitates $PbI_2$ 2) $Ca^{2+} + CO_3^{2-}$: Insoluble, precipitates $CaCO_3$ 3) $Ba^{2+} + SO_4^{2-}$: Insoluble, precipitates $BaSO_4$ 4) $Ag^++OH^-$: Insoluble, precipitates $AgOH$

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