Question

How many moles of gold are present in an ornament containing 88.65 g of gold ? (Atomic mass of Au is 197 u)

• A. 0.5 mol
• B. 0.45 mol
• C. 4.5 mol
• D. 5.0 mol

Answer 1

The correct option is B 0.45 mol

As we know,
no of moles = wt given/mol wt $=88.65=197=0.45mole$.