A pure gold bar is made up of 19.55mol of gold. What is the mass of the bar in grams?
mass=NumberMoles*AtomicWtAu
To find the mass of the gold bar in grams, we can use the molar mass of gold and multiply it by the number of moles.
The molar mass of gold (Au) is 196.97 g/mol.
First, let's calculate the mass of gold in grams:
Mass (g) = Number of moles × Molar mass
Mass (g) = 19.55 mol × 196.97 g/mol
Now, let's solve this equation:
Mass (g) ≈ 3,854.125 g
So, the mass of the gold bar is approximately 3,854.125 grams.