One mole of Carbon 12 has a mass of 12.00 grams.What is the mass of a C₁₂ atom? A) 1.244 $\times$ 10^-26 kg B) 1.993 $\times$ 10^-26 kg C) 2.032 $\times$ 10^-26 kg D) 2.440 $\times$ 10^-26 kg E) 3.000 $\times$ 10^-26 kg

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Quizplus · Accepted Answer

The mass of one mole of Carbon-12 is 12 grams, which is equivalent to 0.012 kg. Since one mole contains Avogadro's number of atoms (approximately 6.022 x 10^23 atoms), the mass of a single Carbon-12 atom is 0.012 kg / 6.022 x 10^23 atoms = 1.993 x 10^-26 kg.

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