3 years ago

1. Write the equilibrium constant expression for the following:

Chemistry

1 answer:

melisa1 [442]3 years ago

3 0

Answer:

Explanation:

it could honestly be wrong but I'm not sure

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5. How many moles are equal to 2.4 x 1023 formula units of sodium chloride?

Zepler [3.9K]

Answer:

<h3>The answer is 0.4 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{2.4 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{2.4}{6.02} \\ = 0.398671096....$

We have the final answer as

<h3>0.4 moles</h3>

Hope this helps you

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Answer:

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3 years ago

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How many atoms are in 0.750 moles of zinc?

Ira Lisetskai [31]

1 mole Zn ---------- 6.02 x 10²³ atoms
0.750 moles Zn ----- ?

atoms = 0.750 * ( 6.02 x 10²³ / 1 )

= 4.515 x 10²³ atoms

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This type of mutation occurs when one or more base pairs are removed from the gene sequence.

Aleks [24]

Answer:

Frameshift mutation

Explanation:

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