The molar mass of calcium chloride (cacl2) represents the mass of one mole of: a) cacl2 molecules b) calcium ions and chlorine molecules c) cacl2 formula units or d) cacl formula units

A) CaCl₂ molecules

The molar mass of any substance is the mass of one mole of that substance, and one mole of any substance contains 6.02 x 10²³ particles. The molar mass of any substance may be computed by summing the atomic masses of the atoms present in the molecule. The molar mass for calcium chloride is 110.98 grams.

Must be negative.substance increases