Use henderson-hassalbach equation. the pka of tris-hcl is 8.1. after you have added 1n hcl to adjust the ph of the tris solution to 8.1 what is the ratio (in mmols) of tris to tris-hcl in the resulting buffer solution?

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice

Which of the following is true about the speed of light? it depends on the wavelength.

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.