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The table below summarized the results of the titration of the recrystallized aspirin with a 0.1965 +/- 0.0005M solution of NaOH. Please use correct number of SIG FIGS.


Trials mass of Initial volume Final volume
aspirin(g) of NaOH (mL) of NaOH (mL)


1 .1412 0.00mL 3.50mL
2 .1422 3.50mL 7.10mL
3 .1400 7.10mL 10.50mL


Calculate the % recrystallized yield

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