The pH of a solution can be determined with an instrument called a pH meter. The following data was collected with the
use of a pH meter. Study and analyze it carefully.

Solution 0.1 M HCI
0.01 M HCI
0.1 M Na2CO3
0.1 M NaOH
O.1M HC 2 H 3 O 2
0.01 M HC 2 H 3 O 2
0.1 M NaHCO 3

pH reading
0.1
1.1
10.3
13.0
2.8
3.6
8.2