2.3 Quantitative Chemistry

Question 0

What is relative atomic mass used for?

Answer 0

A way of saying how heavy different atoms are compared with the mass of an atom of carbon 12

Question 1

What is the Mr of water?

Answer 1

Formula: H20
Calculation: 1+1+16 = 18

Question 2

What is empirical formula?

Answer 2

The simplest whole number ratio of atoms in a molecule.