Mass of flask 114.1352 g 115.1111 g 114.5454 g Mass of flask + oxalic acid (H2C204.2H2O) 114.3887 g 115.3596 g 114.7962 g 0.2485 g 0.2508 g Mass of oxalic acid 0.2535 g NaOH buret, initial volume 5.02 ml 24.55 ml 25.00 ml NaOH buret, final volume 24.55 ml 43.75 ml 44.50 ml

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Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.