Question

The brackets used to express concentration [ ], when making equilibrium constant calculations, indicate_____.

grams per liter
ounces per liter
moles per liter
pounds per liter

Answer 1

The brackets are used to express concentration in moles per liter. The correct option is C.

Answer 2

Moles per liter

The units of concentration are "molar" and 1 molar solution is one mole per liter.