3 years ago

Pa help thank yoeee <3333

Chemistry

1 answer:

Verizon [17]3 years ago

4 0

Answer:

1.c

2.c

3.a

4.b

5.a

i think that's the answer

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22. A piece of wood board contains approximately 6.76 X 1023 molecules of wood, C2H4920, how

Licemer1 [7]

Answer:

<h2>1.23 moles</h2>

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

$n = \frac{6.76 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{6.76}{6.02} \\ = 1.22923...$

We have the final answer as

<h3>1.23 moles</h3>

Hope this helps you

5 0

3 years ago

Pa help thank yoeee <3333 ​

Pa help thank yoeee <3333