how do each of the following affect the calculated volume ofhydrogen gas at stp?
A: The strip of magnesium used in the experiment was partlyoxidized and it was not cleaned before the strip was bent andplaced in the buret.
B: The bent strip of magnesium dropped out of the end of theburet and some bubbles of H2 from the reaction were not trapped inthe buret.
C: you did not correct the bariometric pressure for the vaporpressure of water.
