Answer:
194.36 g
Solution:
Data Given:
Number of Atoms = 6.0 × 10²³
A.Mass of Platinum = 195.08 g.mol⁻¹
Step 1: Calculate Moles of Platinum,
Moles = Number of Atoms ÷ 6.022 × 10²³ Atoms.mol⁻¹
Putting value,
Moles = 6.0 × 10²³ Atoms ÷ 6.022 × 10²³ Atoms.mol⁻¹
Moles = 0.9963 mol
Step 2: Calculate Mass of Platinum:
Moles = Mass ÷ M.Mass
Solving for Mass,
Mass = Moles × M.Mass
Putting values,
Mass = 0.9963 mol × 195.08 g.mol⁻¹
Mass = 194.36 g