titrations 5.0 / 5 based on 2 ratings ? Chemistryquantative chemistryGCSEAQA Created by: jessicateCreated on: 16-05-18 18:08 2756413108 Across 1. acids and alkalis can damage the skin or eyes, so eye protection must be worm and any spillages wiped up. (7, 3, 5) 4. place the alkali in a clean, dry conical flask (4, 5) 5. take a reading of the volume of acid in the burette (initial reading) (4, 5) 7. place the flask on a white tile so the colour can be seen clearly (4, 4) 8. concentration of a solution=amount of substance (mol) / volume (dm cubed) (8) Down 2. carefully add the acid to the alkali, swirling the flask to thoroughly mix (4, 5) 3. continue until the indicator just changes colour. this is called the end point. (4, 4) 6. wash and rinse a pipette with the alkali being used (4, 3) 7. add a suitable indicator e.g. methyl orange pink in acid, yellow in nuetral (4, 4) 10. place the acid in a burette that has been carefully washed and rinsed with the acid (4, 3)
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