How many moles of atoms are present in 6.00 g of 13C?

• A. 0.500 mol
• B. 0.231 mol
• C. 0.462 mol
• D. 1.00 mol

Answer: (C)

Verified step by step guidance

1. Identify the given information: the mass of the sample is 6.00 g and the isotope is carbon-13 (\(^{13}C\)), which has an atomic mass of approximately 13.00 g/mol.
2. Recall that the number of moles of atoms can be found using the formula: \[ \text{moles} = \frac{\text{mass (g)}}{\text{molar mass (g/mol)}} \]
3. Substitute the given values into the formula: \[ \text{moles} = \frac{6.00\, \text{g}}{13.00\, \text{g/mol}} \]
4. Perform the division to find the number of moles of \(^{13}C\) atoms present in the sample (do not calculate the final value here, just set up the expression).
5. Interpret the result as the number of moles of atoms, since each mole corresponds to Avogadro's number of atoms.