Can someone help me to answer this correctly, please, and explain it. Please answer these 3 short questions, I don't have more money to buy more questions. These 3 questions are different.

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Write the net ionic equation for the precipitation of chromium(III) hydroxide from aqueous solution: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) Write the net ionic equation for the precipitation of zinc phosphate from aqueous solution: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) Write the net ionic equation for the following molecular equation. Mg(s)+Pb(NO3)2(aq)Mg(NO3)2(aq)+Pb(s) (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) +