Molar Volume of a Gas
Name ____________________
Date Table
Balanced Equation
Mass of Mg used
*********************************
Moles of Mg
consumed
(10pts)
Moles of H2
(10pts)
Temperature
***********************************
Barometric
Pressure
***********************************
Partial Pressure
of H2O
***********************************
Partial Pressure
of H2 (5pts)
Volume of H2
collected
Volume of H2
adjusted to STP
(10pts)
Molar Volume
of H2 (10pts)
***********************************
Percent Error
(5pts)
Questions
1. If oils from your hands were transferred to the metal before massing, explain how this
might affect your results. (10pts)
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2. If more HCl were added to the eudiometer explain how this might affect your results.
(10pts)
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3. If some of the Mg failed to react in the tube explain how this might affect your results.
(10pts)
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_____________________________________________________________________
4. Since the 1930’s aluminum/magnesium alloys have been used in the manufacture of
pots and pans. An answered question is whether the small addition of these metals to our
food supply is beneficial, harmful, or of no consequence. What are some examples of
food that will react with magnesium/aluminum pans? (5 pts)
____________________
_____________________
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5. What happened to the other product in this reaction? Refer to the balanced equation.
(5pts)
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