11 & 21. Measurement, data processing & analysis (2)

IB Chemistry: 11 & 21. Measurement, data processing & analysis (2)

1. What is the best way to minimise the random uncertainty when performing an acid-base titration?A. Use a different pipetteB. Use a pH meter rather than an indicator to determine the end pointC. Repeat the titration several timesD. Keeping your eye at the same height as the meniscus when reading the burette2. Which will give the greatest uncertainty when measuring 50.00 cm3 of a liquid?


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