Chemistry · 18. Representative Metals, Metalloids, and Nonmetals

18.12Occurrence, Preparation, and Properties of Halogens

Section · module m68839

What this needs

Learn these first — this section will not make sense without them.

Nothing in the algebra book is a prerequisite for this section.

What this touches

Algebra that turns up here. Not a blocker, but this is where you will see it used.

  • Recovering the grams of NaCl in 25 mL of 0.16 M physiological saline is a direct M = mol/V rearrangement multiplied by molar mass — the same solve-for-the-other-variable move as any concentration word problem, where treating 25 mL as 25 L is the unit-conversion slip this shape of question invites.