Besides its use in making black-and-white film, silver ni-trate (AgNO₃) is used similarly in forensic science. The NaCl left behind in the sweat of a fingerprint is treated with AgNO₃ solution to form AgCl. This precipitate is developed to showthe black-and-white finger print pattern. Given ΔH(lattice) of AgNO₃=822 kJ/mol and ΔH(hydr)=799 kJ/mol, calculate its ΔH(soln)

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Besides its use in making black-and-white film, silver ni-trate (AgNO₃) is used similarly in forensic science. The NaCl left behind in the sweat of a fingerprint is treated with AgNO₃ solution to form AgCl. This precipitate is developed to showthe black-and-white finger print pattern. Given ΔH(lattice) of AgNO₃=822 kJ/mol and ΔH(hydr)=799 kJ/mol, calculate its ΔH(soln)

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