Answer to Question #60120 in Physical Chemistry for joseph orobiyi

Question

16 How long would a constant current of 18.0 amperes be required to flow
in order for 9000. coulombs of charge to pass through a cell
200 s
500 s
0.002 s
50 s



17 The pH of a neutral solution is
5
6
7
8



18 The pH of a solution is 4.6; what is its pOH?
2.4
9.4
11.6
4.6



19 Which of the followings is not a Bronsted acid?
HCl
$AlCl_3$
$HNO_3$
$H_2SO_4$



20 The conjugate base of HCl is
HOCl
$H^{+}$
$Cl^{-}$
$ OH^{-}$

Answer 1

16. 500 s
17. 7
18. 9.4
19. AlCl_3
20. Cl^{-}