How many moles of platinum would be in 10.0 g of this metal?

mols = grams/atomic mass

0.0513 moles

To determine the number of moles of platinum in a sample, you will need to use the molar mass of platinum. The molar mass is the mass of one mole of a substance and is expressed in grams per mole (g/mol).

The molar mass of platinum (Pt) is found on the periodic table and is approximately 195.08 g/mol.

To calculate the number of moles, you can use the formula:

Number of moles = Mass of the sample / Molar mass

Given that the mass of the sample is 10.0 g, we can substitute these values into the formula:

Number of moles = 10.0 g / 195.08 g/mol

Calculating this gives:

Number of moles ≈ 0.0512 mol

Therefore, there would be approximately 0.0512 moles of platinum in a 10.0 g sample of this metal.