Analytical Chemistry Exam 2 (2025) Actual Exam Questions and Answers A+ Graded

Analytical Chemistry Exam 2 (2025)
Actual Exam Questions and Answers A+
Graded




How .does .a .strong .acid .behave .in .water? .- .CORRECT .ANSWER .-it .completely
.dissociates


Calculate .the .pH .of .0.2 .M .NH4Cl .(kb .= .1.75 .x .10^-5) .- .CORRECT .ANSWER .-5.0

What .is .the .pKa .of .a .weak .acid .with .Ka=1.00e-8 .- .CORRECT .ANSWER .-8

Calculate .the .molar .concentration .of .Ag .+ .in .a .solution .that .has .a .pAg .of .6.372
.- .CORRECT .ANSWER .-4.25e-7


Are .solutes .that .form .ions .when .dissolved .in .water. .They .also .conduct
.electricity. .- .CORRECT .ANSWER .-electrolytes


____ .____ .ionize .completely .in .a .solvent. .(conducts .electricity .more .efficiently)
____ .____ .ionize .partially .in .a .solvent .(conducts .electricity .less .efficiently) .-
.CORRECT .ANSWER .-strong .electrolyte
weak ." ."

An .acid .is .a .proton ._____ .and .a .base .is .a .proton ._____. .- .CORRECT .ANSWER .-
donor
acceptor

A .species .that .possesses .both .acidic .and .basic .properties. .- .CORRECT
.ANSWER .-amphiprotic .species


Reactions .used .in .analytical .chemistry .never .result .in .a .complete .conversion .of
.a .reactant .to .products. .They .proceed .to .a .state .of ._____ ._____ .in .which .the
.ratio .of .reactants .and .products .is .constant .- .CORRECT .ANSWER .-chemical
.equilibrium


Is .a .solution .of .a .conjugate .acid/base .pair .that .resists .changes .in .pH. .-
.CORRECT .ANSWER .-Buffer .solution


What .is .the .Henderson-Hasselbalch .equation? .- .CORRECT .ANSWER .-pH .= .pKa
.+ .log .[A-]/[HA]