Author Question: Kb for NH3 is 1.8 10-5. What is the pOH of a 0.20 M aqueous solution of NH4Cl at 25.0 C? A) 2.72 ... (Read 67 times)

KimWrice · **on:** Aug 27, 2018

Kb for NH3 is 1.8 10-5. What is the pOH of a 0.20 M aqueous solution of NH4Cl at 25.0 C?

A) 2.72
B) 11.28
C) 9.02
D) 4.98
E) 11.23

Question 2

SO2 (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 C. The partial pressure of CO2 in the container was ________ atm.

A) 6.78
B) 2.76
C) 1.60
D) 0.192
E) 4.02