CCEA MODULE 1

TEST 2

 

Calculations and Equations

 

1.        Balance the equation

 

            FeCl3  +  H2S                               S  +  FeCl2  +  HCl

                                                                                                                                    [5]

 

2.              Write a balanced symbol equation for the reaction

 

sodium carbonate + hydrochloric acid               sodium chloride + carbon dioxide + water

                                                                                                                                    [5]

 

 

3.              A mixture containing 2.80 g of iron and 2.00 g of sulphur is heated together.

          What mass of iron(II) sulphide , FeS, is produced?

                        Fe (s)  +  S (s)                           FeS (s)