The Mole and Equations

Question 1

What is the equation to work out the number of moles?

Answer 1

Number of moles = mass / Mr

Question 2

If you know the masses of the reactants and products what can you work out?

Answer 2

The balanced symbol equation

Question 3

Once you have worked out the number of moles what is the next step in working out a balanced equation?

Answer 3

Divide the number of moles in each substance by the smallest number of moles in the reaction

Question 4

What is the final step in balancing an equation?

Answer 4

Write the balanced symbol equation for the reaction by putting numbers in front of the chemical formulas