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Exercise FiveOcean SalinityName: UIN: INITIAL HERE: I affirm that I have not given or received any unauthorized help on this assignment, and that this work is my own. Watch the laboratory lecture video and read the introductory material for background information needed to help you answer your questions.For this exercise you will be measuring the salinity of two unknown solutions using multiple methods.Evaporation Procedure as Demonstrated in the Video1.Weigh a clean, dry50 mL beaker and watch glass to the nearest 0.01 g.2.Using a graduated cylinder, add 15 mL of the first solution (unknown A) to the beaker and reweigh.3.Evaporate on the hot plate until the beaker and watch glass are completelydry.4.Reweigh the beaker now that the salt residue is left.5.Use the mass of the salt, and the original mass of the water to determine the salinity in grams of salt per kilogram of water (g/kg).1.Record weights:Beaker and watch glass52.7gBeaker, watch glass and water sample67.2gBeaker, watch glass and salt53.1gWeight of the original water sample14.5gWeight of the salt0.4gSalinity in g/kg0.027g/kg
The evaporation procedure was repeated with the second solution (unknown B).