Calculate the molarity of absolute ethanol (100 % v/v ethanol). b) Leeuwin Estate Art Series Chardonnay 2011 has an alcohol content of 13.5% ethanol by volume (13.5% v/
Calculate the molarity of absolute ethanol (100 % v/v ethanol). b) Leeuwin Estate Art Series Chardonnay 2011 has an alcohol content of 13.5% ethanol by volume (13.5% v/
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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Solve the set of problems shown below with reference to the following information about ethanol.
- Ethanol (C2H5OH): molar mass = 46.069 g/mol.
- Density of absolute (100 % v/v) ethanol = 0.7893 g/mL.
- a) Calculate the molarity of absolute ethanol (100 % v/v ethanol).
- b) Leeuwin Estate Art Series Chardonnay 2011 has an alcohol content of 13.5% ethanol by volume (13.5% v/v). Calculate the molarity of ethanol in this wine
- c) The legal limit for a driver’s blood alcohol in Australia is 50 mg of ethanol per 100 mL of blood (referred to as a blood alcohol content (BAC) of 0.05 %).
What is the molarity of ethanol (in blood) in a person at this legal limit?
- d) How much Leeuwin Estate Art Series Chardonnay could a 70 kg person drink and remain under the legal limit (≤ 0.05 %)? Give your answer as a volume in mL.
The blood alcohol content will be equivalent to the alcohol content in the total ‘water’ component of the human body.
Assume that a 70 kg person contains 42 L of ‘water’.
Ignore the
- e) During a romantic candlelight dinner a 70 kg person drinks a bottle (750 mL) of Leeuwin Estate Art Series Chardonnay in the space of 3 hours (assume the individual starts drinking wine from the start of the dinner).
Ethanol is metabolised at a constant rate of 120 mg per hour per kg body weight, regardless of its concentration.
- What is their blood alcohol content (mg/100 mL blood) at the end of the dinner?
- How long will it take for their blood alcohol level to fall to the legal limit (0.05 %)?
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