Calculate the mass in AMU of a sample that contains 25 potassium atoms

Question

asked Sep 17, 2023 215k views

1 Answer

Daniel Grima · Answer 1 · 2023-09-23T07:00:32+0000

Answer:

1.52x10^-21 grams/atom K

Step-by-step explanation:

The molar mass of potassium (K) is 39.1 g/mole. One mole = 6.02x10^23 atoms of K.

(25 K atoms)*(39 g/mole)(1 mole/6.023x10^23 atoms) = 1.52x10^-21 grams/atom K