What is the mass of 3.30 × 10^24 particles of gold?

To calculate the mass of 3.30 × 10^24 particles of gold, first determine the number of moles (3.30 × 1024 / 6.02 × 1023 = 5.48 mol), then multiply the number of moles by the Mr (molar mass) of gold (5.48 × 197 = 1080).