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salantis [7]
2 years ago
8

Conner is testing the pH of a swimming pool and he finds it to be 6.5. Optimal pH for swimming is between 7.0 and 7.6.

Chemistry
1 answer:
Lunna [17]2 years ago
8 0

Answer:

The answer is B. I took the test and made a 100

Explanation:

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7 0
3 years ago
If you wished to displace cobalt(II) ions from
fgiga [73]

The metal you can insert in aqueous solution of cobalt(ii) nitrate and displace cobalt is zinc.

<h3>Electrochemical series</h3>

Electrochemical series is as know as reactivity series. The electrochemical series list metals in order of decreasing reactivity.

Generally, metals higher up in the series than cobalt metal will displace cobalt(ii) ions from it solution and produce cobalt metal. Therefore, Metals like Zinc will displace cobalt(ii) form it compound.

The reaction with a solution of cobalt (II) nitrate can be represented as follows:

Co(NO₃)₂ + Zn → Zn(NO₃)₂ + Co

learn more on displacement here: brainly.com/question/6462267

8 0
3 years ago
What is the definition of outer layer? *
Nataly [62]

Answer:

1    being or located on the outside; external  

2    further from the middle or central part

Explanation:

4 0
3 years ago
2. How does friction effect speed?
elixir [45]

Answer:

It acts as a force upon it like in newtons first law of motion an object in motion will stay in motion until a force acts upon it So friction bascicallly slows it down or stops it completly

Explanation:

4 0
4 years ago
What can a drop of liquid mercury be described as?
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In impure substance that is reactive
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