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zimovet [89]
3 years ago
15

A salt solution with a volume of 250 mL that contains 0.70 mol NaCl.

Chemistry
1 answer:
uysha [10]3 years ago
5 0
 <span>0.70 mol/0.250 L = 2.8 M</span>
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A carbon atom and a hydrogen atom form what type of bond in a molecule? see concept 2.3 (page 36)
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Honeybee venom is a solution that contains formic acid, which gives the venom an approximate ph of 5.0. which substance is more
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5 0
3 years ago
The temperature in a town started out at 55 degrees. By the end of the day the temperature dropped to -6 degrees.
garik1379 [7]

Answer:

The choice of the answer is fourth option that is -61 degrees.

Therefore the temperature drop is -61°Centigrade.

Explanation:

Given:

The temperature in a town started out at 55 degrees

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End of the Day      = -6°Centigrade. (Final temperature)

To Find:

How far did the temperature drop?

Solution:

We will have,

\textrm{Temperature drop}=\textrm{Final temperature}-\textrm{Initial temperature}

Substituting the above values in it we get

\textrm{Temperature drop}=-6-55\\\\\therefore \textrm{Temperature drop}=-61\° centigrade

Therefore the temperature drop is -61°Centigrade.

4 0
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3 years ago
Which period does this atom belong to?
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I think it’s to long to fit in a period??
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