The Vaper pessureef pure Chicrofom CHClais 158.9ram Hg at 25°C Calculated the vaper pressure ofa solutien made byg discoluingS.50g of glucese CeHi2OG in GO.Ograms. of Ch leraform (The melar mess dire 119.39/mel for ChloiafoEma 180.2 g/md ferglucese).
The Vaper pessureef pure Chicrofom CHClais 158.9ram Hg at 25°C Calculated the vaper pressure ofa solutien made byg discoluingS.50g of glucese CeHi2OG in GO.Ograms. of Ch leraform (The melar mess dire 119.39/mel for ChloiafoEma 180.2 g/md ferglucese).
Chapter13: Titrations In Analytical Chemistry
Section: Chapter Questions
Problem 13.10QAP
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Transcribed Image Text:The Vaper paessureat pure Chicroform ClHClais 158.9 ram Hq at 25°C
) calculated the vaper pressure ofa solutien made bydissoluingS.50g.
of glucese CeHi2Oc in G0.Ograms of Ch leraform (The melar meiss äre
119.3g/mel for Chloroform 3 180.2g/mol fergluccse)
A) 165.m Hg B)145mm Hay C) 8.87mm Hg D) 4Tmn Htg E) 90lmm ig
2) Ifanoqueas Solution of KCl lmelar masi : 74.55 g/mde) has a
concentration of 5.50 m, what would be the mole Fraction Ok KCI
inthe solution(Tne molar mass of water is 1802 g/mo)
A)0.550 B)G.0902C)0.0098 D)0.910 E)O:l18
SIfan aqueus Solut ion of KC\(molar moss= 74.55g/md) has a.concecitration
Gf S.50m What is the malarityOf this solution asuming the
Solutien hasdensity of 1.33g/mel
A1.52M B)5.00MC)390M D)5.19ME)4.48
9) If an aqueas scl of NH3 with a molaríty of 13.0M has.adensity
Of 1.12g/md.What is the percent (7) cemposition of NH3 in this
Solutien (N Hg hes a molar mass of 17.03g/mel)
A) 19.8% B) 13.8% C)17.3% D)27.1% D14.2%
S)Afirst order reaction A->B has a half life ct 62 seconds. JF
the initial concentration of A is O.462 M what would be
the concentratienot A after 2.5 minutes
LUTION
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