Beaker 1

Beaker 2

Beaker 3

Beaker 4

Beaker 5

Salt solution (mL)

50

35

25

15

50

Distilled water (mL)

0

15

25

35

0

KI 10% (mL)

5

5

5

5

2.5

H₂SO₄ 1M (mL)

1

1

1

1

1