"Water Vapor Pressure (mmHg)
Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. sample of hydrogen gas is collected over water in a eudiometer: Calculate the mass (in grams) of magnesium metal needed to produce 35.0 mL of hydrogen gas at an atmospheric pressure of 739 mmHg and a temperature 0f 25.9 'C
Temperature
20
175
22
19.8
24
22.4
Mass of Mg
26
25.2
28
28.3
30
31.8"