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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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ellehaine24 ellehaine24
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5 years ago
The following reaction is used to generate hydrogen gas in the laboratory.  If 243 mL of gas is collected at 25C and has a total pressure of 745 mm Hg, what mass of hydrogen is produced? A possibly useful table of water vapor pressures is provided below.

Mg(s) + 2 HCl(aq)   MgCl2(aq) + H2(g)  T (C)P (mm Hg)
  2017.55
 2523.78
3031.86
A) 0.0196 g H2
B) 0.0717 g H2
C) 0.0190 g H2
D) 0.0144 g H2
E) 0.0449 g H2
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
Author:
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notrealnotreal
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5 years ago
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ellehaine24 Author
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5 years ago
Good timing, thanks!
tcat
wrote...

Yesterday
Smart ... Thanks!
kevin12323h
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2 hours ago
This helped my grade so much Perfect
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