only SELECT correct respomses 1) Titrations of different forms are often employed to quantitate acids, bases, metal ions, and proteins. 2) To perform a titration, the experimenter must be familiar with the stoichiometry of the reaction taking place between the reagent and analyte. 3) Often in titrations, a visible color change will occur in the solution (due to an added indicator solution). 4) Gravimetric titrations directly measure the volume of reagent solution needed to react completely with an analyte. 5) For a monoprotic weak acid titration, the weak acid solution being titrated is the "sample" that is being quantitated. 6) For a monoprotic weak acid titration, the equivalence point is reached when the moles of added base equals the moles of weak acid originally present in the reaction vessel. 7) In a monoprotic weak acid titration, the weak acid is the analyte in solution, and a standardized base (for example, a solution of known concentration of NaOH) is the titrant. 8) A molecule of monoprotic weak acid has only one proton (H+) that it can transfer during an acid-base reaction. 9) When reporting a value in percent concentration, it is necessary to always specify which form the result is in (w/w%, v/v%, or w/v%) to avoid confusion. 10) Volume percent (v/v%) is temperature-independent. 11) There are three major approaches to expressing solution concentration in terms of percent concentration: weight percent, volume percent, and weight/volume percent. 12) Weight/volume percent (w/v%) is a unit-less quantity. 13) The term 'percent' refers to 'parts per thousand'.
only SELECT correct respomses
1) Titrations of different forms are often employed to quantitate acids, bases, metal ions, and proteins.
2) To perform a titration, the experimenter must be familiar with the stoichiometry of the reaction taking place between the reagent and analyte.
3) Often in titrations, a visible color change will occur in the solution (due to an added indicator solution).
4) Gravimetric titrations directly measure the volume of reagent solution needed to react completely with an analyte.
5) For a monoprotic weak acid titration, the weak acid solution being titrated is the "sample" that is being quantitated.
6) For a monoprotic weak acid titration, the equivalence point is reached when the moles of added base equals the moles of weak acid originally present in the reaction vessel.
7) In a monoprotic weak acid titration, the weak acid is the analyte in solution, and a standardized base (for example, a solution of known concentration of NaOH) is the titrant.
8) A molecule of monoprotic weak acid has only one proton (H+) that it can transfer during an acid-base reaction.
9) When reporting a value in percent concentration, it is necessary to always specify which form the result is in (w/w%, v/v%, or w/v%) to avoid confusion.
10) Volume percent (v/v%) is temperature-independent.
11) There are three major approaches to expressing solution concentration in terms of percent concentration: weight percent, volume percent, and weight/volume percent.
12) Weight/volume percent (w/v%) is a unit-less quantity.
13) The term 'percent' refers to 'parts per thousand'.
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