Pchem > F2000 Quiz 5

Name: K*fY PHRl42P- Quiz#5- F2000 (points) ( 5 ) l . Given that the K,o and MW of A2B are 9.7 x l0-e and 493.7g/mole,

respectively,what is the solubility of A2B?

A-B:

I4* + B= (o*'D

)

KX= kV = f ,7 xto*f

(o+x\

(r")'(n) = Vx3s ?,7yt{1 *=ry fi = /,tt( xro-3

-3 I g = J= / , J V * , oM

W=

D t '

(2.5) 2. T "rO V

you candissolve more because,.like dissolveslike.,,

' , i

:::.,

uu*r*, c,{igsot fi,on .glo r\0r"1

lo/ cil{{r:lufj nun.folCr.

(2,5) 3. How muchA2Bcanyou dissolvein 1 literof 0.1 M NaB? Do NoT ACTUALLY SOLVETHE PROBLEM! JUSTINDICATE TFM: EQUATIONYOU WOULD NEED TG SOLVE.

A*R :

Lfr+ r B=; K.r-* 't l(rr= *r f ,txtr-,

(o+r*)

("rf (0,I t x\ ; =

fa'I+;) -

4

? . Jx r o t *(l ! r : 1 0 X E /.f6 - V n 'wrnUj *"1;+--. fb t; X /. *Y

4.8

"r-