4. If 37.5 grams of potassium chlorate are decomposed into potassium chloride and oxygen gas, what is the maximum potential liters of oxygen gas that could be collected at STP conditions? 5. How many milliliters of liquid bromine (density = 3.12 g/mL) could theoretically be formed if 45.7 grams of sodium bromide are reacted with excess chlorine gas? The other product of the reaction will be sodium chloride. 6. If 55.6 grams of zinc sulfate are experimentally produced when excess zinc chloride solution reacts with 47.3 grams of aluminum sulfate, what is the percent yield of this reaction? The other product of the reaction will be aluminum chloride.

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.