Question

Question 13 : 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
50 s
0.002 s
200 s
500 s

Question 14 : The conjugate base of HCl is
HOCl

H
+
H+


O
H
−
OH−


C
l
−
Cl−


Question 15 : Buffering is:
all of these
due to LeChatelier's Principle
influenced by the common ion effect
is a process that is done by a solution made up of a weak acid and its salt

Question 16 : Which of these is incorrect about the pH of a solution?
pH = -log
[
H
+
]
[H+]

an alkali has a higher pH value than an acid
The higher the pH, the more acidic the solution is
It is a measure of the acidity of the solution