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Helen [10]
3 years ago
12

Mention the reason why aquatic plants have air filled tissues.​

Chemistry
1 answer:
Pepsi [2]3 years ago
7 0

Answer:

Aquatic plants have aur filled tissues to make them easy to float.....

Explanation:

It provides buoyancy

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Select all of the statements that are true about a buffer solution. Select one or more: a. A buffer solution reacts with basic s
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a. A buffer solution reacts with basic solutions.

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b is wrong. A buffer can have a pH of 7, but it can also have many other pH values.

d is wrong. Most buffers are colourless, and they resist a change in pH.

2. Titration curves

The solution is the best buffer at the mid-point of the titration curve.

In the figure below, the equivalence point is at 13 mL, so the mid-point is at 6.5 mL.  

The solution is buffered at pH 3.2.

However, the solution is a buffer at any point in the range pH = 3.2 ± 1.

That would be in the range of 1 mL to 12 mL.

The buffering ability becomes worse the further you are from the mid-point of the titration.

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Which bonds form in the reaction shown in the diagram?
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