Author Question: A solution is 35.0% by mass carbon tetrachloride (CCl4) in benzene (C6H6) at 20C. The vapor pressure ... (Read 138 times)

Scollins7 · **on:** Nov 5, 2023

Question 1

A 9.50 % by mass solution of acetone (C₃H₆O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution?
◦ 0.621 M
◦ 1.61 M
◦ 1.66 M
◦ 1.71 M
◦ 16.9 M

Question 2

A solution is 35.0% by mass carbon tetrachloride (CCl₄) in benzene (C₆H₆) at 20°C. The vapor pressure of pure benzene and pure carbon tetrachloride at this temperature is 74.61 mmHg and 91.32 mmHg, respectively. Calculate the vapor pressure of the solution at 20°C:
◦ 58.1 mmHg
◦ 78.2 mmHg
◦ 80.5 mmHg
◦ 82.9 mmHg
◦ 83.0 mmHg

delmiss · **Reply #1 on:** Nov 5, 2023

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