How to calculate a mole

A mole, not the kind you find on your skin or in your yard, but in scientific terms, is a standard scientific measure for large quantities of small objects such as atoms. A mole is a unit less measure defined with the number of 6.02214076 X 10^23. Originally this unit was defined as the number … Read more

How to calculate a ratio

What is a ratio? Ratios are used in math to make a comparison between two things or numbers. In other words the ratio of something to something else. This can be written in a fraction, using the word to, or with a colon. For example the ratio of apples to oranges is 2:1, 2/1, 2 … Read more

How to calculate atomic mass

Atomic mass is the sum of all of the protons, electrons, and neutrons in an atom. This is also sometimes used to talk about the average mass of a group of atoms. Neutrons and Protons make up most of the mass of the atom, in fact, electrons are so light that they aren’t used in … Read more