4. a. What is the molality of a solution that contains 13.4 grams of calcium chloride dissolved in 655 mL of water? ??=40.08 CIX2= 70.9 ?? 313.4 547 111.7 Answer: 0.184 m CaCl?2 C655ml 0.655 kg 3595. 107 b. What is the molality of the ions in the solution? Answer: 0.553 m CaCl? ions 110.98 110.98 1 0.655 ·x- €0.184 m. CaCl 2

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a. What is the molality of a solution that contains 13.4 grams of calcium chloride dissolved in

655 mL

of water? Answer:

0.184 m CaCl_{2}

C_{9} = 40.08 c1 \times 2 = 70 . \frac{13.4}{110.98} \times \frac{1}{0.655}

b. What is the molality of the ions in the solution? Answer:

0.553 m CaCl

ions

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