andresjohnston
Answered

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If you have 4.72 x 10^24 atoms of Carbon, how many moles of Carbon do you have?
Question 5 options:


2.84 x 10^48 moles of carbon


4.12 x 10^24 moles of carbon


4.72 x 10^24 moles of carbon


7.84 moles of carbon

Sagot :

boffeemadrid

Answer:

[tex]7.84\ \text{moles}[/tex]

Explanation:

Number of atoms of carbon = [tex]4.72\times 10^{24}[/tex]

Avogadro's number = [tex]6.022\times 10^{23}\ \text{mol}^{-1}[/tex]

Here we have to divide the number of atoms by the Avogadro's number

[tex]\dfrac{4.72\times 10^{24}}{6.022\times 10^{23}}=7.83792\approx 7.84\ \text{moles}[/tex]

The moles of carbon are [tex]7.84\ \text{moles}[/tex].

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