Author Question: The volume of hydrogen gas at 38.0 C and 763 torr that can be produced by the reaction of 4.33 g of ... (Read 99 times)

robinn137 · **on:** Aug 27, 2018

The volume of hydrogen gas at 38.0 C and 763 torr that can be produced by the reaction of 4.33 g of zinc with excess sulfuric acid is ________ L.

A) 1.68
B) 2.71 10-4
C) 3.69 104
D) 2.84
E) 0.592

Question 2

The solubility of nitrogen gas at 25 C and 1 atm is 6.8 10-4 mol/L. If the partial pressure of nitrogen gas in air is 0.76 atm, what is the concentration (molarity) of dissolved nitrogen?

A) 6.8 10-4 M
B) 5.2 10-4 M
C) 4.9 10-4 M
D) 3.8 10-4 M
E) 1.1 10-5 M