Potassium superoxide - PowerPoint PPT Presentation

Empirical formula:

Empirical formula:. Hydroquinone, used as a photographic developer is 65.4% C, 5.5% H, and 29.1% O, by mass. What is the empirical formula?. If we work with 100 grams, we would have 65.4 g C, 5.5 g H and 29.1 g O. Then: Change g to moles and convert to whole numbers. 65.4 g. = 5.42 mol C.

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Limiting Reagents Excess Reagents Percent yield

Limiting Reagents Excess Reagents Percent yield. Limiting Reagents. The limiting reagent is the reactant that runs out first Limits the amount of product that can be formed Take both reactants to the same product The answer is always the smallest amount of product. Example.

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