SSC MTS EXAM

Detailed explanation-1: -Statement I: Formula unit mass is used to calculate the mass of ionic compounds.

Detailed explanation-2: -Ionic compounds are composed of discrete cations and anions combined in ratios to yield electrically neutral bulk matter. The formula mass for an ionic compound is calculated in the same way as the formula mass for covalent compounds: by summing the average atomic masses of all the atoms in the compound’s formula.

Detailed explanation-3: -The sum of atomic masses of all the atoms in the ions of an ionic compound is known as its formula mass.

Detailed explanation-4: -The ionic compounds are not molecules, so we don’t find the molecular mass for an ionic compound, so we name it the formula mass in the case of ionic compounds.