A 13.13 g sample of a compound contains 4.19 g potassium (K), 3.80 g chlorine (Cl), and oxygen (O). Calculate the empirical formula.
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1. A certain protein was found to contain 0.563% cobalt by mass.Determine the minimum molecular mass of the protein.2. A 16.21 g sample of a compound contains 5.17 g potassium (K),4.69 g chlorine (Cl), and oxygen (O). Calculate the empiricalformula.