1) Describe how you would prepare a 500.00 mL portion of 0.25M calcium hydroxide solution startingwith solid calcium hydroxide. (b) What is the pH of the solution?2) Acetone has a vapor pressure of 183.0 mm Hg at 40 °C and a heat of vaporization of 30.8 kJ/mol. Whatis the vapor pressure of acetone at 25 °C?3) (a) Calculate the molality (m) of a solution containing 75.0 gm of glycol (C2H&O2) in 250.0 gm of water.(b) What is the mass percent of glycol in this solution?

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1) Describe how you would prepare a 500.00 mL portion of 0.25M calcium hydroxide solution starting with solid calcium hydroxide. (b) What is the pH of the solution?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

1) Describe how you would prepare a 500.00 mL portion of 0.25M calcium hydroxide solution starting
with solid calcium hydroxide. (b) What is the pH of the solution?
2) Acetone has a vapor pressure of 183.0 mm Hg at 40 °C and a heat of vaporization of 30.8 kJ/mol. What
is the vapor pressure of acetone at 25 °C?
3) (a) Calculate the molality (m) of a solution containing 75.0 gm of glycol (C2H&O2) in 250.0 gm of water.
(b) What is the mass percent of glycol in this solution?

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