Propose a practical use where you might want to use an indicator to determine the pH of a solution in a biological system.

Q: Imagine that you have a jar of syrup A and a plastic Ziploc bag of syrup B. You poke tiny holes in…

A: Answer Water moves from the bag to the jar

Q: Provided Stock solution of Coomassie Blue: 0.500 mg/mL Volume of 0.500 mg/ml Solution Dilution to ID…

A: For calculating volume and concentration,  we should follow the formula V1S1 = V2S2where, V1 =…

Q: A small amount of NaOH is added to a weak acid buffer system. Describe what happens in terms of…

A: Buffer is considered as the solution, which is a mixture of the weak acid and its conjugate base.…

Q: Which two statement about the substances in this experiment are true? A. Chalk is harder than…

A: Chalk is a sedimentary carbonate rock formed of the mineral calcite, is a soft, porous form of…

Q: The pH probe/meter uses following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L =…

A: Asked : Effect on measured pH value if acid concentration is increased  HCl is an acid

Q: Which among the following is an example of a pharmaceutically important buffer system? a. All of…

A: A buffer is a solution that can withstand pH changes when acidic or basic components are added. Many…

Q: Explain what a pH indicator ( in general, not just an essay) and how pH indicators work

A: Introduction: pH: pH stand for the potential of hydrogen (concentration of hydrogen ions in a…

Q: Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of…

A: Analyze: We are asked to determine the pH of a solution prepared with a strong electrolytes that…

Q: The standard curve to determine the amount of betacyanin is shown below. You extracted a red pigment…

A: We are given a picture of the standard curve used to calculate betacyanin levels. Using 10 ml of a…

Q: Molarity is the ratio between:   Select one: a. the number of moles of a solute and the volume of…

A: Concentration of a solution is defined as the amount of solute dissolved in a particular amount of…

Q: Table 2. Volume of BSA, protein content, and absorbance readings of reference solutions…

A: Standard curves are graphs of absorbance v/s concentration, It is used to find out the solute…

Q: Make a list of the five most critical qualities of an effective extraction buffer. Please provide a…

A: Introduction A buffer is an aqueous solution containing a weak acid and a weak salt, a weak base, a…

Q: How long does it take to sterilize 1800 mL of rehydrated molten media

A: Culture media is used for plant tissue culture and bacterial growth. Usually it can be liquid or…

Q: Using an example compound, describe the role of buffers in regulating pH.

A: A solution that resists the pH change on the addition of a basic or acidic substance is called a…

Q: What is the iodine indicator test used for? Describe in detail how iodine works in a reaction and…

A: Iodine indicator test is used for detection of starch. The triiodide form of iodine complexes with…

Q: Could a MacConkey agar plate be used in place of the EMB plate in the Standard Analysis of Water?…

A: MacConkey agar is used as a differential and selective culture medium used in analysis of water…