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What is the molality of a solution consisting of 2.66 mL
Chapter 14, Problem 50P(choose chapter or problem)
QUESTION:
Problem 50P
What is the molality of a solution consisting of 2.66 mL of carbon tetrachloride (CCl4; d = 1.59 g/mL) in 76.5 mL of methylene chloride (CH2Cl2; d = 1.33 g/mL)?
Questions & Answers
QUESTION:
Problem 50P
What is the molality of a solution consisting of 2.66 mL of carbon tetrachloride (CCl4; d = 1.59 g/mL) in 76.5 mL of methylene chloride (CH2Cl2; d = 1.33 g/mL)?
ANSWER:
Solution 50P:
Here, we are going to calculate the molality of a solution containing CCl4 and CH2Cl2.
We know that
Molality (m) =---(1)
Step 1:
Calculation of the mass of solute (CCl4):
Given that,
Volume of solute: 2.66 mL
Density of solute = Mass/volume = 1.59 g/mL
= 4.23 g
Therefore, mass of the CCl4 is 4.23 g.