chem1008assignment11(April21) - Hard water deposits are a...

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CHEMISTRY 1008 Name: ________________________ Homework Assignment #11 Due: Thursday, April 21, 2011 1. (5 pts) What mass of ZnS (K sp = 2.5x10 -22 ) will dissolve in 300.0 mL of 0.50 M Zn(NO 3 ) 2 ? (You can ignore the basic properties of S 2- ) 2. (5 pts)
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Unformatted text preview: Hard water deposits are a result of water evaporation that leaves behind solid CaCO 3 . How much (volume) water of a saturated CaCO 3 solution (K sp =4.96x10-9 ) must evaporate to leave behind 100.0 mg of solid CaCO 3 ?...
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This note was uploaded on 04/29/2011 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell.

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