How would you prepare a 0.1 M stock solution of HEPES buffer, pH 7.4? (HEPES fw = 238.3) How would you use this to prepare a 10 mM solution of HEPES at pH 7.4?

What’s a special glass that most beakers are made of

What is the equilibrium constant of aa+bb=cc+dd

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light