Strength (mol/dm3)

Mass of catalyst (g)

NaOH

KOH

NaHCO3

0.010

0.8

1.12

1.68

0.015

1.6

2.24

3.36

0.020

2.4

3.36

5.04

0.025

3.2

4.48

6.72

0.030

4.0

5.60

8.40