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Chemistry
Johns
20 November, 03:51
How many atoms of carbon are in 2.65 g of carbon?
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Sean Mcguire
20 November, 06:50
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0.1324 * 10^24 atoms of carbon are in 2.65 g of carbon
Explanation:
Converting the grams of carbon to the moles of carbon.
Divide the mass (2.65 g) by 12.011 g/mol which is the molecular weight of carbon,
2.65 g / 12.011 g/mol=0.220 moles of carbon
Then, convert moles of carbon to atoms of carbon using Avogadro's constant (6.022*10^23 atoms per mole)
0.220 moles * 6.022*10^23 atoms / 1 mole = 0.1324 * 10^24 atoms
0.1324 * 10^24 atoms of carbon are in 2.65 g of carbon
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