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enot [183]
2 years ago
9

How many moles are in 7.1x10^21 atoms of iron?

Chemistry
1 answer:
Nitella [24]2 years ago
8 0

Answer:

0.011 moles

Explanation:

There are about 6.02*10^23 atoms in a mole, so in the given sample, there are

\frac{7.01 \times  {10}^{21} }{6.02 \times  {10}^{23} }

which is about 0.011 moles.

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Group-8 elements are inert and possess
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Answer:

Group 8 elements are inert and possess :

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4. No color, odor

Explanation:

Group 8 elements are also called as Noble Gases. They are unreactive.

They have low boiling points means they remains monoatomic  at room temperature.  Having high ionization energy means that it is very difficult to remove an electron from its valence shell.

3 0
3 years ago
SO2 + H2O = H2SO3 and not H2SO4?
kramer
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Calculate the percent by volume of a solution that has 75 mL of solute dissolved in 375 mL of solution. Show your work and round
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Answer:

The answer is 20 % V/V

Explanation:

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Explanation:

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