What is the correct formula for an ionic bond between Na and O?
NaO₂
Na20
Nao
Na.

Oxidation state of iron in mohrs salt

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?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.