ws5302 - CH302 Worksheet 5: A charming calculator-free...

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CH302 Worksheet 5 : A charming calculator-free worksheet concerning K sp , K w , K a b and strong acids and bases. 1. Define K sp for the dissolution of the following salts in water. If necessary, write a balanced chemical equation for the dissolution first. a. RbI, b. Ca(NO 3 ) 2 , c. K 3 PO 4 , d. SrS, e. Fe 2 (SO 4 ) 3 , f. K 3 Fe(C 2 O 4 ) 3 , 2. Consider each of the salts below. Express each salt's molar solubility (we'll call it x) in terms of K sp . It might be useful to first write a balanced equation for each salt's dissolution and complete a RICE diagram. a. Cu 3 (PO 4 ) 2 , b. MgSe, c. Li 3 PO 4 , d. K 3 Fe(C 2 O 4 ) 3 , 3. Estimate the actual molar solubilities of the following salts in water based on their K sp values. a. Barium Sulfate, BaSO 4 , K sp = 1.08 x10 -10 , b. Cadmium Phosphate, Cd 3 (PO 4 ) 2 , K sp = 2.53 x10 -33 , c. Lithium Carbonate, Li 2 CO 3 , K sp = 1.73 x10 -3 , d. Magnesium Ammonium Phosphate, MgNH 4 PO 4 , K sp = 2.5 x10 -13 , 4. Estimate the actual molar solubilities of the following salts in the following solutions
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ws5302 - CH302 Worksheet 5: A charming calculator-free...

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