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Calculate ΔG at 25°C for the precipitation of lead(II) chloride from mixing 100. mL of 0.025 M lead(II) nitrate solution with 100. mL of 0.15 M sodium chloride solution. The ΔG° for the reaction at 25°C = −27.36 kJ/mol. (Hint: write out reaction equation – also, consider total solution volume)

A. −41 kJ/mol
B. −3.7 kJ/mol
C. −12 kJ/mol
D. −29 kJ/mol
E. −4.2 kJ/mol

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