MB = (V1/M1) × 10

Experiment #

Amount of methylene

solution used (V1) (ml)

MB (%)

1

1140

57.00

2

625

31.25

3

1373

68.65

4

895

44.75

5

1223

61.15

6

1520

76.00

7

846

42.30

8

1663

83.15

9

640

32.00

10

1784

89.20

11

698

34.92