*** 21 - Calculate R from student collected data and percent error 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. Water Vapor Temperature Pressure (8Hww) 25.2 26 28.3 31.8 30 32 34 39.9 44.6 Ideal gas constant from literature: L·atm %3= L'atm 0.08206 mol K Percent error= < Prev 4 of 4 Next > www. EGO 08 F5 93
*** 21 - Calculate R from student collected data and percent error 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. Water Vapor Temperature Pressure (8Hww) 25.2 26 28.3 31.8 30 32 34 39.9 44.6 Ideal gas constant from literature: L·atm %3= L'atm 0.08206 mol K Percent error= < Prev 4 of 4 Next > www. EGO 08 F5 93
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter6: The Gaseous State
Section: Chapter Questions
Problem 6.120QE: Workers at a research station in the Antarctic collected a sample of air to test for airborne...
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21
- Calculate R from student collected data and percent error
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.
Water Vapor
Temperature
Pressure
(8Hww)
25.2
26
28.3
31.8
30
32
34
39.9
44.6
Ideal gas constant from literature:
L·atm
%3=
L'atm
0.08206
mol K
Percent error=
< Prev
4 of 4
Next >
www.
EGO
08
F5
93
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