Determine how the solubility of the following weak electrolytes is affected upon addition of excess reagent in aqueous solution. If the solubility is affected, write the overall chemical reaction and the balanced net ionic equation that occurs between the weak electrolyte and the reagent. If the reagent is not expected to affect the solubility, state that there is no reaction: a.) Excess NaSCN is added to a mixture of CoCO3 in water. b.) Excess NH3 is added to a mixture of BaSO4 in water. c.) Excess HClO4 is added to a mixture of PbO2 in water.

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A: Since you have asked multiple question, we will solve the first question for you. If you want any…