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Alex787 [66]
3 years ago
13

Anyone in connections taking chemistry that can help me? P.S this IS a question so do not delete it.

Chemistry
1 answer:
iren [92.7K]3 years ago
6 0
I suggest watching Martin Shkerli YouTube channel. He has a ton of videos on chemistry and is very helpful. 
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How many moles are in 5.6x1025 molecules of calcium oxide?
Vlad1618 [11]

Answer:

<h2>93.02 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{5.6 \times  {10}^{25} }{6.02  \times  {10}^{23} }  \\  = 93.023...

We have the final answer as

<h3>93.02 moles</h3>

Hope this helps you

8 0
2 years ago
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Number 4 is
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8 0
3 years ago
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Material A has a small latent heat of fusion. Material B has a large heat of fusion. Which of the following statements is true?
Olin [163]
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Answer: 1. A, 2.B, 3. D, 4. B, 5. C

Explanation:

i have P.E. too lol have a great day!

5 0
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An atom is the smallest identifiable unit of a compound true or false
notsponge [240]
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