Question

I've been stuck with this for like an hour, please help.

A 100 gram sample of HG is equal to how many moles of the metal?​

Answer 1

Step-by-step explanation:

Molar mass of Hg = 200.59g/mol.

Therefore Moles = Mass / Molar mass

= 100g / (200.59g/mol) = 0.499mol.