2. Dilute sulphuric acid is a strong acid. (a) What is meant by a "strong" acid? (b) A student titrates 25.0 cm' of dilute sulphuric acid with a 0.105 M NaOH(ag). The table below shows the results Trial S 22.15 Trial I Trail 2 Trial 3 Trial 4 Volume of NaOHaq) used / em' Calculate a reasonable average for the volume of NaOH(aq) used. 23.50 21.10 22.10 22.15 (1) The equation for the reaction is: HSOdaq) + 2 NaOH(aq) -Na, SOdaq) + H,0(1) Calculate the concentration of the sulphuric acid. (m) Which of the following apparatus is used to measure the volume of sulphuric acid in this experiment? measuring cylinder, pipette, burette, volumetric flask, beaker Answer:

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