Answer:
The number of moles (n) can be calculated using the formula:
n = mass (in grams) / molar mass (in grams per mole)
Plugging in the values:
n = 3.2 grams / 12.01 grams per mole
n ≈ 0.266 moles
Therefore, there are approximately 0.266 moles of carbon in a diamond with a mass of 3.2 gram