Idk

Question 1

What is the relative atomic mass?

Answer 1

The average mass of the element’s atoms (Ar)

Question 2

What is the relative formula mass?

Answer 2

The sum of the relative atomic masses of the atoms in the numbers shown in the formula (Mr)

Question 3

What is the Mole?

Answer 3

The amount of a substance that contains (Avogadro constant) particles is called the mole

Avogadro Constant - 6.022 X 10^23

Question 4

What is the formula for moles?

Answer 4

Moles = mass in grams / Relative Formula Mass

Question 5

What does the percentage mass of a compound tell us?

Answer 5

It tells us the proportion of the mass of the compound in terms of each element in the compound

Question 6

Percentage mass of a compound formula?

Answer 6

Percentage Mass = Ar x number if atoms of that element / Mr of compound

Question 7

What is the empirical formula?

Answer 7

Shows the simplest ratio of atoms of each element in a compound

Question 8

What can you work out with the empirical formula and the relative formula mass (Mr)?

Answer 8

Molecular Formula, eg. KSO4