A mixture contains at 600. torr pressure, at 200. torr pressure, and at 300. torr pressure. What is the total pressure- sure of the gases in the system

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Why are people not able to skip a dive to the deepest part of the ocean

The number at the end of an isotope’s name is the number.