The metal cadmium tends to form Cd2+ ions. The followingobservations are made: (i) When a strip of zinc metal is placedin CdCl2(aq), cadmium metal is deposited on the strip. (ii)When a strip of cadmium metal is placed in Ni(NO3)2(aq),nickel metal is deposited on the strip. (a) Write net ionicequations to explain each of the preceding observations.(b) Which elements more closely define the position of cadmiumin the activity series? (c) What experiments wouldyou need to perform to locate more precisely the position ofcadmium in the activity series?

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.