Relative Formula Mass

Question 1

How do you do relative formula mass ? Give all stages

Answer 1

You do the overall mass of the specified part

Question 2

What should the mass stay as throughout the reaction?

Answer 2

Mass should stay the same however there is an exception where if there is a gas the mass might seem to change ( it won’t be measured by our scales)

Question 3

What is relative atomic mass ?

Answer 3

Is the average mass of the isotopes of that event weighted to take into account the abundance of each isotpe

Question 4

What’s the definition of relative formula mass ?

Answer 4

the sum of the relative atomic masses of the atoms in the numbers shown in the formula

Question 5

How would you work out the relative formula mass of CH4?

Answer 5

1x carbon= 12
4x hydrogen= 4
Mr=16

Question 6

What would the relative formula mass of 2CH4 be ?

Answer 6

Still 16
This is because we don’t use big numbers when calculating relative formula mass