1.5g aspirin is weighed out into an R.B flask. Then 40 mL 10% NaOH is

1.	1.5g aspirin is weighed out into an R.B flask. Then 40 mL 10% NaOH is added and refluxed for 15 min. Transfer the solution quantitatively into a 250 mL standard flask, made upto the mark. From that 20 mL is pipette, acidified with 2 mL con. HCl. Then add 50 mL of brominating mixture, shake well for 15min. Then 10 mL 10% KI is added & diluted with H2O and titrated against standard Na2S2O3 using starch as indicator.
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1.5g aspirin is weighed out into an R.B flask. Then 40 mL 10% NaOH is added and refluxed for 15 min. Transfer the solution quantitatively into a 250 mL standard flask, made upto the mark. From that 20 mL is pipette, acidified with 2 mL con. HCl. Then add 50 mL of brominating mixture, shake well for 15min. Then 10 mL 10% KI is added & diluted with H2O and titrated against standard Na2S2O3 using starch as indicator.

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