Define what is the Hrxn° for the reaction of an aqueous solution of lead(II) chloride with an aqueous sodium sulfate solution to make a precipitate of lead(II) sulfate Hrxn°= in kJ.
Explain what is the H° for the precipitation of 337.1 g of strontium sulfate from aqueous solutions of strontium chloride and sodium sulfate? Report your answer in kJ.