Which among the following is an example of a pharmaceutically important buffer system? a. All of the choices b. Sorensen's buffer c. Palitzsch's buffer d. Gifford's buffer
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Which among the following is an example of a pharmaceutically important buffer system?
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- which of the following is a characteristic of a buffer? a. The pH will go down significantly when H3O+ is added to the buffer b. The pH will go down very slightly when H3O+ is added to the buffer c. The pH will go up significantly when H3O+ is added to the bufferWhich of the following is FALSE when the concentration of the buffer solution was increased? a. The buffer will be effective in resisting pH changes. b. There will be more weak acid components that can neutralize the added base. c. The solution will have a higher buffer capacity. d. There will be more weak base components that can neutralize the added base.Which of the following is the best explanation for a gel like this?A. Bromophenol blue was not added in the loading buffer.B. Glycine was not present in the buffer system.C. There was too much bisacrylamide in the gel solution.D. Gel was not overlaid after pouring the first gel solution.
- A buffer system .... a) All options are correct b) Counteracts pH changes in a solution c) Does the blood protein work as d) Releases protons (H +) if pH increasesWhy is it important to select a good stationary phase? a) To retain the desired molecules and separate them from the rest of the sample b) To create a good flow path through the system ) To detect all the molecules in the sample at the same time d) To ensure the sample remains properly mixedA buffer system consists of A. a weak acid and its conjugate base. B. a weak acid and a proton donor. C. a weak acid and a proton. D. a weak base and a proton acceptor.
- A small amount of NaOH is added to a weak acid buffer system. Describe what happens in terms of possible reactions and changes in pH.When a SBIA021 student measured the pH of 1.0M HCI, the student obtained a pH meter and failed to neither check the condition nor the manner of usage of the instrument. The pH meter reading timed out (Did not give a reading) Which of the following problem explanations is most correct? A)The sample in the glass beaker was being swirled vigourously while the electrode was submerged in it for a reading. B)The electrode got submerged much deeper into the solution than it should have. C)All of the above are correct problem explanations O D)The electrode had long direct contact with the environment and the glass membrane got dry.Why are buffers important in a biological system such as your body? Give reasons in your own words and and supply examples to illustrate your answer.
- Which of the following is a carbonic acid buffering molecule in a basic solution? Group of answer choices H2CO3 HCO3-Make a list of the five most critical qualities of an effective extraction buffer. Please provide a brief description of each.Many manufacturers claim that their health care and hair care products are pH balanced or buffered. How would you test their claims?