A 2.53 gram sample of a KCl and KClO3 mixture was found to contain 0.00988 mol of KClO3. What is the percent by mass of KClO3 in the original mixture? Report your answer with three significant figures.

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.