Calculations involving the mole and balanced equations

Question 1

GFM

Answer 1

Gram formula mass

i.e. the mass of a formula. It can be found by adding up the relative atomic mass of each atom present in the formula

(page 7 of data book)

Question 2

Valency

Answer 2

The number of bonds an element can form. (write these in your data book).

Question 3

Equations to work out number of moles of a substance

Answer 3

n=cv n=m/GFM (see page 3 of your data book).