Water Vapor Pressure (mmHg) A student weighs out 0.0422 g of magnesium metal. The magnesium metal is reacted with excess hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over Temperature °C 26 25.2 water in a eudiometer at 32.0°C. The volume of collected gas is 43.9 mL and the atmospheric pressure is S32 mmHg. Using the experimentally collected data, calculate R and the percent error. 28 28.3 30 31.8 32 35.7 34 39.9 36 44.6 Ideal gas constant from literature: L'atm R= mol·K L'atm 0.08206 mol·K Percent error = %
Water Vapor Pressure (mmHg) A student weighs out 0.0422 g of magnesium metal. The magnesium metal is reacted with excess hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over Temperature °C 26 25.2 water in a eudiometer at 32.0°C. The volume of collected gas is 43.9 mL and the atmospheric pressure is S32 mmHg. Using the experimentally collected data, calculate R and the percent error. 28 28.3 30 31.8 32 35.7 34 39.9 36 44.6 Ideal gas constant from literature: L'atm R= mol·K L'atm 0.08206 mol·K Percent error = %
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter8: Gases
Section: Chapter Questions
Problem 152CP: A mixture of chromium and zinc weighing 0.362 g was reacted with an excess of hydrochloric acid....
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Water Vapor
A student weighs out 0.0422 g of magnesium
metal. The magnesium metal is reacted with
excess hydrochloric acid to produce hydrogen
gas. A sample of hydrogen gas is collected over
water in a eudiometer at 32.0°C. The volume of
collected gas is 43.9 mL and the atmospheric
pressure is 832 mmHg. Using the
experimentally collected data, calculate R and
the percent error.
Temperature
°C
Pressure
(mmHg)
26
25.2
28
28.3
30
31.8
32
35.7
34
39.9
36
44.6
Ideal gas constant from literature:
L'atm
R=
mol·K
L'atm
0.08206
mol·K
Percent error =
%
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