Question

Find the moles of atoms in
12mg helium
​

Answer 1

Answer:

The answer is 4.002602. We assume you are converting between grams Helium and mole.

Answer 2

Answer:

3 moles

Explanation:

Molar mass of He = 4 g

So, no. of moles = \frac{Given \:\:mass\:\:of\:\:the\:\:element}{Molar\:\:mass\:\:of\:\:the\:\:element}MolarmassoftheelementGivenmassoftheelement

So, given mass = 12g

Molar mass = 4 g

no. of moles = 12/4 = 3 moles