Steps to Solve Molar Mass, GMA, Percent Composition, Empirical & Molecular Formula Problems.doc

Steps to Solve Molar Mass, GMA, Percent Composition, Empirical & Molecular Formula Problems.doc

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General Steps to Follow in Solving Molar Mass, GMA, Percent Composition, Empirical & Molecular Formula Problems Steps in Solving Molar Mass Problems: 1. If the chemical formula is not given to you, determine the correct chemical formula of the compound. 2. Use the subscripts in the chemical formula to determine how many moles of each given element are present in one mole of the compound. 3. Add up the masses of each of the elements present in the compound to determine the Molar Mass of the compound. Steps in Solving GMA (grams moles atoms) Problems: 1. Determine the Molar Mass of the compound using the process above. 2. Follow the GMA map performing each calculation using either the molar mass or Avogadro’s number (6.02x10 23 ). Steps in Solving Percent Composition Problems: 1. If you aren’t given the name or chemical formula of the compound: a. Calculate the total mass of the sample or compound. b. Divide the mass of the desired element by the total mass of the sample or compound.
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Steps to Solve Molar Mass, GMA, Percent Composition, Empirical & Molecular Formula Problems.doc

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