potentiometer

Question 1

Electrode potential is measured by a device called?

what are its units?

Answer 1

Potentiometer

millivolts/ionmeters

Question 2

Glass-calomel electrodes are used to measure pH in solutions with _____

Answer 2

strong oxidants, reductants, proteins,

Question 3

is a sample of saving method
ofmeasurements,thereforetheanalyzedsolutioncanbeusedforfurtherinvestigations.Accuracyofthemeasurementsisabout0.01unitofpH.

Answer 3

Potentiometry

Question 4

aresolutions,wheretheconcentrationofhydrogenionsstaysconstantondilutionoraddingthecertainamountofstrongacidsoralkalistothem.
Thequalityofthesolutionstokeeptheconstantconcentrationofhydrogenions(constantpH)iscalled____

Question 5

Forinstance,pHofhumanbloodis~

Answer 5

7.36

Question 6

ThecapabilityofdifferentbuffersolutionstoresistchangesinpHuponaddinganacidoralkaliisnotthesame.Itdependson

Answer 6

Concentration of the species
and
ratio of ingredient concentration

Question 7

Therefore,eachbuffersolutionischaracterized_____________,whichchangesthepHofoneliterofthebuffersolutionbyoneunit.

Answer 7

bybufferingcapacity,anumberofequivalentsofstrongacidoralkali