Uncertainty & errors

IB Chemistry: Uncertainty & errors

1. Accuracy and precisionWhen marking titration results it is not unusual to come across something like this:Titration of 25.00 cm3 of x mol dm-3 hydrochloric acid with a standardized solution of 1.00 mol dm-3 sodium hydroxide solution.Average volume of 1.00 mol dm-3 NaOH(aq) required to titrate 25.00 cm3 of x mol dm-3 HCl(aq) = 25.00 cm3The student then proceeds to calculate the unknown concentration of the hydrochloric...

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