Answer to Question #195265 in General Chemistry for Jerick

Question

Determine the concentration of a solution (in % by mass, % by volume, % by mass

volume, molarity, molality and ppm) containing 5 grams of NaCI and 50 ml of water. What is the mole fraction of NaCI ¡n the solution?

Answer 1

7. Mole (NaCl)= m(NaCl)/M_w(NaCl)=5g/58.5g/mol= 0.0854mol