Nitrogen gas consists of

two separate nitrogen atoms

a diatomic nitrogen atom

a molecule of two nitrogen atoms

a compound of nitrogen atoms

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

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use

How many atoms are in 2 moles of phosphorus?