How do you calculate formula mass of a compound?
1 Answer
See explanation
Explanation:
The easiest way to do this, in my opinion, is to look up the mass of each element that make up the compound via the Periodic Table and add them up.
Example: Find the formula Mass of
We start by finding the atomic mass of each element: (Note: Different Periodic Tables like to give the mass in two, three, four, five digits of rounding but they should all be within the same range)
The atomic mass of
The atomic mass of
The formula mass is then the sum of each element that make up the compound:
Sometimes, instead of writing amu, we often would express the formula mass in