4. Dilute hydrochloric acid is added to a 0.500 g sample of an alloy containing zinc and copper. The gas evolved is collected over water using an apparatus like the one you used in Experiment 14. The following data were obtained: 737 mm Hg barometric pressure (corrected) 23 C temperature of gas 109 mm difference in water levels inside and outside tube 79.7 mL volume of gas collected Calculate the percentage of zinc in the alloy.

4. Dilute hydrochloric acid is added to a 0.500 g sample of an alloy containing zinc and copper. The gas evolved is collected over water using an apparatus like the one you used in Experiment 14. The following data were obtained: 737 mm Hg barometric pressure (corrected) 23 C temperature of gas 109 mm difference in water levels inside and outside tube 79.7 mL volume of gas collected Calculate the percentage of zinc in the alloy.

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

4. Dilute hydrochloric acid is added to a 0.500 g sample of an alloy containing
zinc and copper. The gas evolved is collected over water using an apparatus like the one
you used in Experiment 14. The following data were obtained:

737 mm Hg
barometric pressure (corrected)
23 C
temperature of gas
109 mm
difference in water levels inside and outside tube
79.7 mL
volume of gas collected
Calculate the percentage of zinc in the alloy.

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