What is the ratio of the conjugate base concentration to

Assignment Help Chemistry

Reference no: EM13640948

Phenolphthalein is a commonly used indicator that is colorless inthe acidic form (pH < 8.3) and pink in the basic form (pH >10.0). It is a weak acid with a pKa of 8.7.

A) What is the ratio of the conjugate base concentration to the acid concentration, that is, [B- ]/[HB] when the indicator switches to the acidic color?

B) Use the result to the above question to determine what percent is in the acidic form when the acid color is first apparent?

Reference no: EM13640948

Questions Cloud

Calculate the annual amount of limestone mls used if 35 : a midwestern power plant burns 2 x 106 tons of coal annually. the coal contains 2 sulfur by weight. a limestone

Te normal boiling point for a solutionof n-hexane c6h14 m : the normal boiling point for a solutionof n-hexane c6h14 m 86.18 gmol and n-octane c8h18 m 114.23 gmol is t 93.7

An aluminum rod is 37cm long at 351 degree celcius and has : an aluminum rod is 37cm long at 35.1 degree celcius and has a mass of 522g. if 20400 j of energy is added to the rod by

The limestone scrubber operates with an efficiency of 90 : a 1000 mw coal fired power plant operates with an annual plant capacity factor equal to 75. the plant burns coal which

What is the ratio of the conjugate base concentration to : phenolphthalein is a commonly used indicator that is colorless inthe acidic form ph lt 8.3 and pink in the basic form

The height of the cliff is 900 m and the speed with which : the height of the cliff is 9.00 m and the speed with which the stones are thrown is 14.00 ms. write an algebraic

Estimate the required filter length for a bed efficiency : a fibrous filter bed is to be designed with a solid fraction equal to 0.1 fiber diameter equal to 10m and filter

Many many snails have a one-mile race and the time it takes : many many snails have a one-mile race and the time it takes for them to finish is approximately normally distributed

The propeller of an toy airplace is at rest when the : the propeller of an toy airplace is at rest when the controller starts the engine. two seconds later the propeller is

User Account

All Pages