Answer to Question #220687 in Physical Chemistry for Emily

Question

You use a balance to two decimal places to weigh out the evaporating basin and it has a weight of 45.73g. You then evaporate off the saturated solution and reweigh your evaporating basin with the solid chemcial residue left behind and it weighs 45.98g. What is the associated absolute error of the mass of the chemical residue?

Answer 1

45.73 - 45.98 = - 0.25g