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| What mass of NaF must be added to 1.0 L of 0.0033 M Pb2+ to initiate precipitation of PbF2(s)? (Ksp of PbF2 is 3.3 × 10-8; assume no volume change on addition of NaF.) (Please give your answer with 2 significant figures.) | Watter massa NaF moet by 1.0 L van 0.0033 M Pb2+ bygevoeg word om presipitasie van PbF2(s) te inisieer? (Ksp van PbF2 is 3.3 × 10-8; neem aan dat geen volumeverandering tydens toevoeging van NaF plaasvind nie.) (Gee asb jou antwoord met 2 beduidende syfers.) |
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