Page 384 - SUBSEC October 2017_Neat
P. 384

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                    (f)     (i)   Calculate the pH of EACH of the solutions A, B and C, given that their concentrations
                                  are as shown in the table below.



                                                                              +
                                          Solution          Concentration of H (aq) mol dm -3
                                             A                    2 × 10 -5

                                             B                    1 × 10 -2

                                             C                    1 × 10 -14






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                                                                                                   [3 marks]

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                            (i)   Place the solutions A, B and C in 5 (c) (i) on a pH scale relative to the pH of pure
                                  water.


                                          Solution                        pH


















                                                                                                    [1 mark]

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