CHEM 1202 : SI Exam 2 Review
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Please make sure you have memorized your strong acids and bases please!!! Find the ph of a salt: guess (is this salt going to be acidic, basic, or neutral?, dissociate (write an equation for the salt dissolving into its constituents. Find the hydrolytic species, remembering that it is only hydrolytic if it comes from a weak acid/base. Hint: if the constituents are not in a 1:1 ratio {i. e. ba(no2)2}, this step is useful in finding your actual concentration of the ion. : hyrdolyze (remember that hyrdrolyze means to react w/ water. So simply write a reaction in which your hydrolytic species {for instance a--} reacts w/ water {a-- + water. At the end of the day, your hydrolytic equation should be a 1:1:1:1 ratio, regardless of the number of moles of ions produced in step 2. That number is important only for the concentration, not the equation.