The ionic compound, MClx (where M is a metal), has a formula mass of 190 g/mol and a mass % of chlorine of 74.8%. What is the atomic mass of the element? (molar mass of Cl = 35.45 g/mol)
2. What is the total number of atoms in the empirical formula of H12Si6O18?
3. The compound E3P2O8 (where E is an element) has a formula mass of approximately 310 g/mol. What is the atomic mass of E? (Atomic mass of P = 31 amu, O = 16 amu)