Chapter 15 Quiz Practice questions

A the sodium ion reduces the pbr to pbs b pbcl

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a. The sodium ion reduces the Pbr* to Pb(s). b. PbCl: solubility increases due to the common-ion effecr. PbNa2(s) precipitates. The NaCl(aq) has no el-!qfo*r-t\e systenl. Solu biliry of PbClz(ffi eci^easeg) # \------ i/<o 4 /tnd/45 Plerrir)tt lNl irt,ilL!'r -*@ d * 4. What is the equilibrium corstant expression fbr the dissolution of solid lead oralate, PbC204, in warer?
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6. TLe ,(, of barium chrornate is 1.2 x 10-ro. What is the concentration of Ba2* in equilibrium with eaCrou(s) if [CrO+]l:4.3 x l}-3 h'f? a.. 5-1 x 10-13 M b. 2.8 x 104 M e. t.l x lo*j M d. 1.7 x ttf4 M e. 2.5 x 1O=3 M 7 - what is the molar solubility of AgI (('p = I x 10-16' MM = 234'8 g/mol) in moles per liter? .V a. I x l0-32M b. 1.x ls-16M c. I x l0+M d. 2 x l0{l{ e. 4x lo-'rM lX ia-V (bT, I 3 xl''s a. b. c. d. e. f$rfu ' Jvta'E ln Prc/ t/) )a o.-Lt t/'t fi l{,[ 3 I,KYA ils) g. What is the molar solubility of P'bIr (,K* : S.4 x 10+, MM ='161 g/rnol) in rnoles per liter? a. 8.4 x 1O-e M b. 1.9 x1tr7 M c. 9.1 x t0-5M d- l3xl0-3M e. 2.0 x L0.} M g- What is the molar solubility of Hg2Br2 (K.o = 6 x I 0-23) in moles per liter? I x l0"i1M I x lS-B iY 2xlo4 M 4xltrsM 3 x 10'6 il, 10. In which solution AgCl hns the smallest uolar solubilitf a. 0.100 M HCI b. 0.100 M NaCl c. 0.100 M CaCir d. o.1oo M Arcl3 + 1rn& llui e. the same sehftility in allof thern tl te-tlt'l
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