potassium diaquatetrachloroaurate(0) potassium diaquatetrachloroaurate(III) pota
ID: 929537 • Letter: P
Question
potassium diaquatetrachloroaurate(0) potassium diaquatetrachloroaurate(III) potassium diaquatetrachloroaurate(I) potassium diaquatetrachlorogold(III) potassium diaquatetrachlorogold(I) Ksp for Pb3(PO4)2 is 1.0 times 10^-44. Two solutions are mixed, one containing Pb^2+and the other PO4^3-. If at the instant of mixing. [pb^2+] = 1.0 times 10^-8M, and [P045] = 1.0 times 10^-8 M. which one of the following statements is true? A precipitate forms because Qsp = 1.0 times 10^-14 > Ksp A precipitate forms because Qsp = 1.0 times 10^-34 > ksp A precipitate forms because Qsp anything given, but > Ksp No precipitate forms because Qsp = 1.0 times 10^-14 > Ksp A precipitate forms because Qsp = 1.0 times 10^10 > Ksp The rate of formation of 0,(g) is 2.0 times 10^-7mol-L^-1,s^-1 for the reaction 3O2(g) rightarrow 2O3(g) what is the rate of disappearance of O2(g) in mol.L^-1.s^-1? 1.3 times 10^-7 2.0 times 10^-7 3.0 times 10^-7 4.5 times 10^-7 none of theseExplanation / Answer
17)
Ksp = 10^-44
Q= [Pb+2]^3[PO4-3]^2
Q = (10^-6)^3(10^-8)^2 = (10^-36)(10^-16) = 10^(-52)
Since Q <<< KSp
expect no precipitation
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