If you needed to make 250 mL of a 1x TBE buffer (final concentrations of 89 mM Tris, 89 mM boric acid, 2.0 mM EDTA), how much of each of the following would you use: solid Tris base (121.1 g/mol); solid boric acid (61.8 g/mol); liquid stock solution of 0.50 M EDTA?

Q: 1) calculate the pH of the buffer solution based on the known Ka value for acetic acid? 2)…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: onsider Titrating a 40 ml of 0.1 M A^3- (Given Kb1= 1x10-4 , Kb2=1x10-9, Kb3=1x10-12 ) with 0.35 M…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN…

A:

Q: A) Make 500 ml of a 50 X solution of HEPES buffer. B) Use this (50X HEPES Buffer) to make 1 liter of…

A: The objective of the question is to make  of  HEPES Buffer and use the given solution to make  of…

Q: 8. Find the pH of the equivalence point and the volume (mL) of 0.125 M HCl needed to reach the point…

A: (a)  Balance chemical equation:                           HCl         +            NH3             →…