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adell [148]
3 years ago
12

What is the correct electron configuration for an element with 5 electrons in

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
5 0

Answer:

it is c

Explanation:

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Recovery standards are a necessary tool for determining exactly how much of a particular analyte you are able to extract from a
Dafna11 [192]

Answer:

2.05mg Fe/ g sample

Explanation:

In all chemical extractions you lose analyte. Recovery standards are a way to know how many analyte you lose.

In the problem you recover 3.5mg Fe / 1.0101g sample: <em>3.465mg Fe / g sample. </em>As real concentration of the standard is 4.0 mg / g of sample the percent of recovery extraction is:

3.465 / 4×100 = <em>86,6%</em>

As the recovery of your sample was 1.7mg Fe / 0.9582g, the Iron present in your sample is:

1.7mg Fe / 0.9582g sample× (100/86.6) = <em>2.05mg Fe / g sample</em>

<em></em>

I hope it helps!

5 0
3 years ago
Heart, 5 stars, Brainiest, and 40 coins if right! Answer needed ASAP
kicyunya [14]

Answer:

His kinetic energy is converted into potential energy.

Explanation:

6 0
2 years ago
At the same temperature, a freshwater lake frezzes but a salt water bay does not because
Alexandra [31]

Ocean water freezes at a lower temperature than freshwater. ... Fresh water freezes at 32 degrees Fahrenheit but seawater freezes at about 28.4 degrees Fahrenheit , because of the salt in it.

3 0
3 years ago
Which of these pairs would form an ionic bond?<br><br><br> K and Br
ZanzabumX [31]

is there any other pairs


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3 years ago
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How many cubic centimeters are there in 200 milliliters?
DiKsa [7]

Answer:

200 mL = 200 cm³

Explanation:

The relationship between cm³ and mL is 1:1.

1 cm³ = 1 mL

Thus, 200 mL is converted to cm³ as follows:

(200 mL)(1 cm³/1 mL) = 200 cm³

3 0
3 years ago
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