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enot [183]
3 years ago
5

How many moles are in 7.2 x 10^23 carbon molecules?

Chemistry
1 answer:
choli [55]3 years ago
7 0

Explanation:

It is known that in 1 mole there are 6.023 \times 10^{23} atoms or molecules.

It is given that there are 7.2 \times 10^{23} carbon molecules. Therefore, calculate the moles as follows.

     Number of moles = \frac{7.2 \times 10^{23} molecules}{6.023 \times 10^{23} molecules/mol}

                                   = 1.196 mol

Thus, we can conclude that there are 1.196 mol in 7.2 \times 10^{23} carbon molecules.

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Answer:

See explanation

Explanation:

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6 0
3 years ago
12 = 3X X = <br> 7X = 57 X = <br> 11X = 27.7 X =
dybincka [34]

Answer:
1. x=4
2.x=\frac{57}{7}
3.x=\frac{27.7}{11}

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Given the following questions:

12=3x
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In order to find the answers to these questions, we have to recognize that in order to isolate the variable we need to divide on both sides.

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12=3x
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Question two:
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\frac{7x}{7} =\div7
57\div7=8.14285714=\frac{57}{7}
x=\frac{57}{7}

Question three:
11x=27.7
\frac{11x}{11} \div11
27.7\div11=2.51818182=\frac{27.7}{11}
x=\frac{27.7}{11}

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