Calculate the average mass, in grams of a platinum atom.?
回答 (1)
The mass of each mole of Pt atoms is 106.4 g.
Each mole of Pt contains 6.022 × 10²³ atoms.
Mass of each Pt atom = (106.4 g) / (6.022 × 10²³ atoms) = 1.767 × 10⁻²² g/atom
Take the mass of one mole of platinum and divide by the number of atoms in a mole.
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