Pchem > F2000 Quiz 4

PHR l42P * Quiz#4 - F2000 (points) (4) 1. Given that the freezing point depressionof a certain solution is 0.13o, compute the osmotic pressurethat solution would exert against a perfect

semi-permeable membrane at 37" C.

s AI - + = ,i v" Kp ==> O.lg fay u t

-lf * jvr ;=ry RT T[ =

r ^l i "t1,\

/ h4?-tgfi"p /*\-ry

-;;!.[,oi 5 0 . 0 ?l

(a.ot*St,oerffi PruK

ffi-)(sra

Ji- = 1.1-t^tJ*' (6) 2. Giventhe databelow,how ryuohdrugX,dug"Y andNacl wouldyou needto prepare0.5L of an isotonicsolutioncontainingt.2% drugX and 1.8%drugY.

lcqq

x b EE.

t@rril uro!^..-

Compound

o{'"

drug X drug Y NaCl dextrose

0.19 0.11 0.58 0.09

oTry = Q.)f..1?) t) = o.+rb +(r.e)(o. - o - ? z b = o ' o g (P " ? = ^T!"u 0 . ( r . T l% tJ"a, 0,Eg

4

q, iJ o.fAe i o-0 w"{"

E

0.328 0.190 1.000 0.155