Making a Buffer

Related BrainMass Solutions

• Applications of Aqueous Equilibria

  Using the combination of HA- <--> A-2 coupling and making a buffer out of it will give us the solution.

• Creating a Buffer Solution of Specific pH

  258475 Making a Buffer Calculate the volume (100mL) of the 0.1M dihydrogen phosphate (monobasic)and the volume of the 0.1M monohydrogen phosphate (dibasic) that are required to make a buffer at pH 7.4.

• Dilution and Colony-Forming Units

  You are making dilutions to find a concentration, after which you will have colony forming units. Colony forming units are colonies of bacteria that form from the replication of a single bacteria.

• Calculating pH, Ka, grams, and amounts of an acid for making a buffer

  7567 Calculating pH, Ka, grams, and amounts of an acid for making a buffer 1. Calculate the pH of a solution which is 0.428 M in oxalic acid and 1.44 M in oxalate. 2.

• Use Henderson-Hasselbalch to explain how buffers work.

  Does the ocean have a buffer system in place? How is the pH of the ocean maintained? 1.

• Concentrations and Solutions

  a buffer solution with an optimum pH of 4.6 - 4.8?

• pH buffer range of a buffer solution

  Buffer solution is a mixture of a weak acid or weak base and its salt. The pH of a buffer resists change when small amounts of acid or base are added. Buffer solution only buffer with certain buffer range.

• Buffering capacity

  a) buffer A with a pKa of 7.5 and buffer concentration of 10 nanomolar b) buffer B with a pKa of 6.6 and a buffer concentration of 10 micromolar c) buffer C with a pKa of 7.9 and a buffer concentration of 10 micromolar d) buffer D with a pKa of 6.6

• Show that the maximum buffer capacity occur at pH=pKa

  As a consequence of the definitions, buffer capacity is always a positive quantity. For a monoprotic acid the buffer capacity (as a function of pH) is given by: (see attachment).