The brown solution is titrated with Sodium Thiosulfate inthe presence of a starc
ID: 2148 • Letter: T
Question
The brown solution is titrated with Sodium Thiosulfate inthe presence of a starch indicator until the solution turns clear.The amount of oxygen can be calculated from the amount of SodiumThiosulfate needed to turn the solution clear.
One set of bottles (called Dark bottles) is covered with foilbefore sealing and leaving overnight in the lake. What biologicalprocesses would one expect to occur in the Dark bottles?
a.Photosynthesis b.Respiration c.Decomposition d. Respirationand Photosynthesis e. Respirationand Decomposition