Empirical Formulas Worksheet showing calculations for percent composition of calcium chloride, potassium hydroxide, and cobalt (II) borate.
A worksheet titled "1.4 - Empirical Formulas Worksheet" that includes three sections for calculating percent composition of chemical compounds: CaCl₂ (calcium chloride), KOH (potassium hydroxide), and Co₃(BO₃)₂ (cobalt (II) borate). Each section provides elements, moles, molar masses, and mass of elements in the compound, with a space for calculating the molar mass of the compound.