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Thymol Blue (color change Ph 8.0 - 9.6) might be selected as an indicator for the titration of a weak acid with a strong base. Can you estimate the pH at the equivalence point?would the answer be:a. No. We would need to know the volumes of both the analyte and the titrant before we could do that.b. Yes. The equivalence point should be somewhere between a pH of 3.1 and 4.4.c. Yes. The equivalence point should be somewhere between a pH of 9.6 and 10.6.d. Yes. The equivalence point should be somewhere between a pH of 7.0 and 8.0.e. No. We would need to know the concentration of the titrant before we could do that.f. Yes. The equivalence point should be somewhere between a pH of 8.0 and 9.6.

Respuesta :

Equivalence point should, in fact, range from pH 8.0 to 9.6. Indicator's color must change at equivalent moment.  pH range between 8.0 and 9.6 is predicted to be equivalency point for titration using thymol blue.

Which indicator is most prevalent?

On "litmus" paper, the indication is most frequently detected. Below pH 4.5, it is red, and beyond pH 8.2, it is blue. Various other commercial pH sheets may display colors for each major pH unit. A blend of indicators called Universal Indicator is able to offer a full spectrum of colors for the pH scale.

What are reliable signs?

Reliable: Measured consistently throughout time and by several data collectors. Useful: Can be applied to show program results and enhance programs. Adequate: Capable of tracking changes over time and advancement toward goals or results. Easy to grasp and interpret: Understandable.

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