Asked by Nevaeh
I got 62.9 mL. Is this correct? I think HCl is the LR.
A piece of solid magnesium is reacted with hydrochloric acid to form hydrogen gas:
Mg (s) + 2HCl (aq) ---> MgCl2 (aq) + H2 (g)
What volume of hydrogen gas (in mL) is collected over water at 25 degrees Celsius by reaction of 0.450 g of Mg (AW= 24.3 g/mol) with 5.00 mL of 1.0 M HCl? The barometer records an atmospheric pressure of 758 torr and the vapor pressure of water at this temperature is 23.35 torr.
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