A solution is made by dissolving 15.00 g of NaCl in 500.0 g of H₂O. What is the mole fraction of NaCl in the solution?

Name: A solution is made by dissolving 15.00 g of NaCl in 500.0 g of H 2 O. What is the mole fraction of NaCl in the solution?
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Quizplus · Accepted Answer

To find the mole fraction of NaCl, first calculate the moles of NaCl: 15.00 g / 58.44 g/mol = 0.2567 mol. Then calculate the moles of H2O: 500.0 g / 18.02 g/mol = 27.76 mol. The mole fraction of NaCl is 0.2567 / (0.2567 + 27.76) = 0.0092.

A Solution Is Made by Dissolving 15