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Stoichiometry Worksheet and Key 1.65 mol KClO 3 mol KClO 3 mol O 2 = molO 2 3.50mol KCl = mol KClO 3 = 0.275 mol Fe = mol Fe 2O 3 = = 2 KClO 3 è 2 KCl + 3 O 2 ... Stoichiometry in chemistry is a way to account for the masses of substances going into and coming out of a chemical reaction. It involves being fluid in transforming from moles to grams and grams to moles. Gas Stoichiometry Worksheet 1 Name: Period: Gas Stoichiometry Worksheet . Directions: Use the gas laws we have learned to solve each of the following problems. Each of the chemical equations must first be balanced. Show all your work for credit. 1. Stoichiometry isn't the easiest topic for teachers to teach or for students to master in chemistry. However, it is an easy topic to scaffold with students and make relevant to their lives and ... WORKSHEET- STOICHIOMETRY AND CHEMICAL FORMULA CALCUATIONS SET A: (Time required, 1 hour) 1. A compound with the formula, BxH20O3, contains 36.14 % by mass oxygen.What is the Dec 12, 2013 · Stoichiometry crash course: meaning of coefficients in a balanced equation, molar ratios, mole-mole calculations, mass-mass calculations, and other stoichiometric calculations The CC Academy ... Stoichiometry. Solve problems in chemistry using dimensional analysis. Select appropriate tiles so that units in the question are converted into units of the answer. Tiles can be flipped, and answers can be calculated once the appropriate unit conversions have been applied.