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... all the solute appears to have reacted (solution should be clear). Transfer this into a conical flask. * The burette should be attached to the clamp, leaving space at the nozzle to the conical flash and white tile can be put underneath it. * The white tile and the conical flask should be placed underneath the burette. An additional, small amount of sulphuric acid should be drained through the burette into the excess flask, then discarded. * Now place the flask with the dissolved anhydrous sodium carbonate under the burette, fill the burette with the sulphuric acid [unknown] concentration by placing the funnel in the top opening and pouring it in. Disperse of all water bubbles - done by gently/lightly tapping burette. Record readings on burette. Use a pipette filler with a 10cm3 bulb pipette and withdraw 10 ml of the solution from the volumetric flask and transfer it into a conical ...