konstantinavasilopou konstantinavasilopou
  • 11-01-2022
  • Chemistry
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What mass of silver chloride precipitate will be produced if 25 cm3 of 0.1M silver nitrate is added to excess sodium chloride solution?

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ashish4112119
ashish4112119 ashish4112119
  • 11-01-2022

We have 25cm^3 of 0.1mol AgNO3.

25cm^3 = 0.025L, so we have 0.025 x 0.1 = 0.0025mol AgNO3, so

0.0025AgNO3 + 0.0025NaCl = 0.0025AgCl + 0.0025NaNO3

Change in Free Energy: ΔG(20C) = -0.064kJ (negative, so the reaction runs)

Change in Enthalpy: ΔH(20C) = -0.110kJ (negative, so the reaction is exothermic)

This reaction produces 0.358g of AgCl and 0.213g of NaNO3

Les Mclean PhD

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