Moles and Mass
How do we know how many molecues or atoms are there in something? Obviously we can't count them. That is why we use the weighing...
Relative Formula Mass (RFM)
Relative Formula Mass is basically the sum of all the mass of the atoms added up together in a compound. It's pretty easy! If you can...
Moles and Molecules
First things first, Mole is not the short form of Molecules. They are different things. The concept of this can be confusing, so we...
Balancing Equations
Why do we balance equations? Before we start, get this down first. Now let's take a simple chemical equation, unbalanced: Cu + O2 -> ...
