Moles + relative mass

Question 1

What is a mole

Answer 1

A mole is the measure of what a substance has

Question 2

What is relative atomic mass

Answer 2

relative atomic mass is the masses of atoms of different elements that are used

Question 3

How to calculate Relative atomic Mass

Answer 3

percentage of the two isotopes
______________
Atoms

Question 4

How to work out Relative formula mass

Answer 4

Multiply the atoms within the bracket then add them after

Question 5

A mole is what

Answer 5

A substance the contains the same number or molecules, ions and atoms

Question 6

How to work out moles

Answer 6

number of moles = mass (g)
________
A r or Mr

Question 7

To find out mass

Answer 7

Mass (g)= number of Moles X Ar or Mr

Question 8

Example of moles : How many moles are there in sulfuric acid if the molecule has 4.9 and the number of molcules is H2SO4

Answer 8

4.9
___ = 0.20 moles
98

Question 9

What is the Avogadro Constant

Answer 9

6.02 x 10 to the power of 23 per mole