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Elina [12.6K]
3 years ago
14

1. Which variable should be changed in an experiment to test how much sodium bicarbonate will dissolve in water at 25°C?

Biology
1 answer:
Phoenix [80]3 years ago
4 0
1.A
2.C
3.C
4.D
I belive these are correct
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Answer:

The options

A. A

B. B

C. C

D. E

The CORRECT ANSWER IS D.

E.

Explanation:

It is a regular occurrence for dialysis bags or dialysis tubing to be employed in permitting smooth movement of molecules when having to do with a fluid. These bags are normally evaluated to ensure that the client has adequate amount in th bag so as to be able to achieve the goal at hand.

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At ten minute intervals, the bags were massed and the weight was calculated to look for changes in the level of concentration. In this situation, the bag with the lowest initial concentration of sucrose is be the one that has its mass reducing over time and that is E.

The attached image confirms our answer as from the graph, option E shows the lowest initial concentration of sucrose.

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