Analytical Chemistry Final- ACS Exam 2026 WITH 100% ACCURATE ANSWERS

Analytical Chemistry Final- ACS Exam 2026 WITH
100% ACCURATE ANSWERS




ppm - ✔✔ANSWER✔✔-(grams analyte/grams
sample)x10^6 or mg/L

Molarity - ✔✔ANSWER✔✔-moles analyte/liter of
solution

Volume Percent - ✔✔ANSWER✔✔-(volume
solute/volume soution)x100

kilo- - ✔✔ANSWER✔✔-10^3

deci- - ✔✔ANSWER✔✔-10^-1

centi- - ✔✔ANSWER✔✔-10^-2

milli- - ✔✔ANSWER✔✔-10^-3

micro- - ✔✔ANSWER✔✔-10^-6

nano- - ✔✔ANSWER✔✔-10^-9

pico- - ✔✔ANSWER✔✔-10^-12

, femto- - ✔✔ANSWER✔✔-10^-15

weight percent - ✔✔ANSWER✔✔-(grams analyte/grams
sample)x100

accuracy - ✔✔ANSWER✔✔-closeness of the mean to
the "true value"

precision - ✔✔ANSWER✔✔-reproducibility of individual
measurements

Uncertainty in Addition/Subraction - ✔✔ANSWER✔✔-
e=sqrt(ex1^2+ex2^2+ex3^2+...)

Uncertainty in Multiplication/Division - ✔✔ANSWER✔✔-
e=y*sqrt((ex1/x1)^2+(ex2/x2)^2+(ex3/x3)^2+...)

pH - ✔✔ANSWER✔✔--log[H3O+]

[H3O+] - ✔✔ANSWER✔✔-10^-pH

Absorbance - ✔✔ANSWER✔✔--log(transmittance)

Relative uncertainty= - ✔✔ANSWER✔✔-absolute
uncertainty/magnitude of measurement

68% of measurements in a Gaussian Curve will lie -
✔✔ANSWER✔✔-between the mean-1 and the mean+1

Variance in standard deviation - ✔✔ANSWER✔✔-
standard deviation squared