2. What is the percent by mass of a solution that contains 20 g of sodium hydrogen carbonate (NaHCO3) and 600 mL water? А. 3.23% B23.33% С. 3.45% D. 3.55% 3. What is the mole fraction of ascorbic acid (C6H8O6) in a solution containing 80.5 g of ascorbic acid and 210 g of water? В. О.025 A. 0.011 С. 0.037 D. 11.67 4. What mass of water is needed to prepare a 5.95 molal alcohol solution containing 817 g ethanol (C2H5OH)? A. 1.51 kg В. 2.98 kg С. 3.51 kg D. 4.0 kg 5. Which of the following glucose (C6H12O6) solutions has a concentration of 1M? A. 180 g glucose in 365 g of water B. 180 g glucose in 1000 g of water C. 180 g glucose in 1000 g solution D. 180 g glucose in 1000 ml solution

2. What is the percent by mass of a solution that contains 20 g of sodium hydrogen carbonate (NaHCO3) and 600 mL water? А. 3.23% B23.33% С. 3.45% D. 3.55% 3. What is the mole fraction of ascorbic acid (C6H8O6) in a solution containing 80.5 g of ascorbic acid and 210 g of water? В. О.025 A. 0.011 С. 0.037 D. 11.67 4. What mass of water is needed to prepare a 5.95 molal alcohol solution containing 817 g ethanol (C2H5OH)? A. 1.51 kg В. 2.98 kg С. 3.51 kg D. 4.0 kg 5. Which of the following glucose (C6H12O6) solutions has a concentration of 1M? A. 180 g glucose in 365 g of water B. 180 g glucose in 1000 g of water C. 180 g glucose in 1000 g solution D. 180 g glucose in 1000 ml 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

2. What is the percent by mass of a solution that contains 20 g of sodium
hydrogen carbonate (NaHCO3) and 600 mL water?
A. 3.23%
B23.33%
С. 3.45%
D. 3.55%
3. What is the mole fraction of ascorbic acid (C6H&O6) in a solution
containing 80.5 g of ascorbic acid and 210 g of water?
В. О.025
A. 0.011
С. 0.037
D. 11.67
4. What mass of water is needed to prepare a 5.95 molal alcohol
solution containing 817 g ethanol (C2H5OH)?
А. 1.51 kg
В. 2.98 kg
C. 3.51 kg D. 4.0 kg
5. Which of the following glucose (C6H12O6) solutions has a
concentration of 1M?
A. 180 g glucose in 365 g of water
B. 180 g glucose in 1000 g of water
C. 180 g glucose in 1000 g solution
D. 180 g glucose in 1000 ml solution

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