ANALYTICAL CHEMISTRY FINAL- ACS
EXAM NEWEST ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION 2026!!!
ppmJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x10^6
MolarityJ-JCORRECTJANSWERmolesJanalyte/literJofJsolution
VolumeJPercentJ-JCORRECTJANSWER(volumeJsolute/volumeJsoution)x100
VolumeJppmJ-JCORRECTJANSWER(volumeJsolute/volumeJsolution)x10^6
kilo-J-JCORRECTJANSWER10^3
deci-J-JCORRECTJANSWER10^-1
centi-J-JCORRECTJANSWER10^-2
milli-J-JCORRECTJANSWER10^-3
micro-J-JCORRECTJANSWER10^-6
nano-J-JCORRECTJANSWER10^-9
,pico-J-JCORRECTJANSWER10^-12
femto-J-JCORRECTJANSWER10^-15
weightJpercentJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x100
pptJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x10^3
pptJsimplifiedJ-JCORRECTJANSWERgramJanalyte/literJsolution
ppmJsimplifiedJ-JCORRECTJANSWERmgJanalyte/literJsolution
ppbJsimplifiedJ-JCORRECTJANSWERmicrogramsJanalyte/literJsolution
pptrJsimplifiedJ-JCORRECTJANSWERnanogramsJanalyte/literJsolution
buoyancyJcorrectionJ-JCORRECTJANSWERm=(m'(1-(airJdensity/weightJdensity)))/(1-
(airJdensity/objectJdensity))
accuracyJ-JCORRECTJANSWERclosenessJofJtheJmeanJtoJtheJ"trueJvalue"
precisionJ-JCORRECTJANSWERreproducibilityJofJindividualJmeasurements
UncertaintyJinJAddition/SubractionJ-JCORRECTJANSWERe=sqrt(ex1^2+ex2^2+ex3^2+...)
, UncertaintyJinJMultiplication/DivisionJ-
JCORRECTJANSWERe=y*sqrt((ex1/x1)^2+(ex2/x2)^2+(ex3/x3)^2+...)
SignificantJFiguresJinJLogarithmsJandJantilogarithmsJ-
JCORRECTJANSWERtheJnumberJofJsignificantJfiguresJinJtheJlogJshouldJequalJtheJnumberJofJdigitsJinJ
theJmantissa
HowJmanyJsignificantJfiguresJinJlog(205.5)J-
JCORRECTJANSWERfourJsignificantJfigures,JsoJyouJwillJneedJfourJdecimalJplacesJinJyourJanswer
pHJ-JCORRECTJANSWER-log[H3O+]
[H3O+]J-JCORRECTJANSWER10^-pH
AbsorbanceJ-JCORRECTJANSWER-log(transmittance)
RandomJErrorJ-JCORRECTJANSWER-
repeatedJmeasurementsJareJsometimesJhighJandJsometimesJlow
-cannotJbeJcorrectedJfor
SystematicJErrorJ-JCORRECTJANSWER-
repeatedJmeasurementsJareJusuallyJalwaysJhighJorJalwaysJlow
-canJandJshouldJbeJcorrectedJfor
RelativeJuncertainty=J-JCORRECTJANSWERabsoluteJuncertainty/magnitudeJofJmeasurement
68%JofJmeasurementsJinJaJGaussianJCurveJwillJlieJ-JCORRECTJANSWERbetweenJtheJmean-
1JandJtheJmean+1
EXAM NEWEST ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED
A+||BRAND NEW VERSION 2026!!!
ppmJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x10^6
MolarityJ-JCORRECTJANSWERmolesJanalyte/literJofJsolution
VolumeJPercentJ-JCORRECTJANSWER(volumeJsolute/volumeJsoution)x100
VolumeJppmJ-JCORRECTJANSWER(volumeJsolute/volumeJsolution)x10^6
kilo-J-JCORRECTJANSWER10^3
deci-J-JCORRECTJANSWER10^-1
centi-J-JCORRECTJANSWER10^-2
milli-J-JCORRECTJANSWER10^-3
micro-J-JCORRECTJANSWER10^-6
nano-J-JCORRECTJANSWER10^-9
,pico-J-JCORRECTJANSWER10^-12
femto-J-JCORRECTJANSWER10^-15
weightJpercentJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x100
pptJ-JCORRECTJANSWER(gramsJanalyte/gramsJsample)x10^3
pptJsimplifiedJ-JCORRECTJANSWERgramJanalyte/literJsolution
ppmJsimplifiedJ-JCORRECTJANSWERmgJanalyte/literJsolution
ppbJsimplifiedJ-JCORRECTJANSWERmicrogramsJanalyte/literJsolution
pptrJsimplifiedJ-JCORRECTJANSWERnanogramsJanalyte/literJsolution
buoyancyJcorrectionJ-JCORRECTJANSWERm=(m'(1-(airJdensity/weightJdensity)))/(1-
(airJdensity/objectJdensity))
accuracyJ-JCORRECTJANSWERclosenessJofJtheJmeanJtoJtheJ"trueJvalue"
precisionJ-JCORRECTJANSWERreproducibilityJofJindividualJmeasurements
UncertaintyJinJAddition/SubractionJ-JCORRECTJANSWERe=sqrt(ex1^2+ex2^2+ex3^2+...)
, UncertaintyJinJMultiplication/DivisionJ-
JCORRECTJANSWERe=y*sqrt((ex1/x1)^2+(ex2/x2)^2+(ex3/x3)^2+...)
SignificantJFiguresJinJLogarithmsJandJantilogarithmsJ-
JCORRECTJANSWERtheJnumberJofJsignificantJfiguresJinJtheJlogJshouldJequalJtheJnumberJofJdigitsJinJ
theJmantissa
HowJmanyJsignificantJfiguresJinJlog(205.5)J-
JCORRECTJANSWERfourJsignificantJfigures,JsoJyouJwillJneedJfourJdecimalJplacesJinJyourJanswer
pHJ-JCORRECTJANSWER-log[H3O+]
[H3O+]J-JCORRECTJANSWER10^-pH
AbsorbanceJ-JCORRECTJANSWER-log(transmittance)
RandomJErrorJ-JCORRECTJANSWER-
repeatedJmeasurementsJareJsometimesJhighJandJsometimesJlow
-cannotJbeJcorrectedJfor
SystematicJErrorJ-JCORRECTJANSWER-
repeatedJmeasurementsJareJusuallyJalwaysJhighJorJalwaysJlow
-canJandJshouldJbeJcorrectedJfor
RelativeJuncertainty=J-JCORRECTJANSWERabsoluteJuncertainty/magnitudeJofJmeasurement
68%JofJmeasurementsJinJaJGaussianJCurveJwillJlieJ-JCORRECTJANSWERbetweenJtheJmean-
1JandJtheJmean+1