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How to Calculate Molecular Formulas for Compounds.?

Answer

1. Know the terminology used in chemistry to calculate molecular formulas for compounds. You need to know the meaning of the terms compound, mole, atomic weight, molecular weight, empirical formula, percent composition and the use of the Periodic
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Q&A Related to "How to Calculate Molecular Formulas for Compounds..."
Molecular Formula is the formula containing quantity of each molecule present in a compound. Such as H2O which is molecular formula for Water.
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the empirical formula would just be the smallest whole number ratio from the molecular formula.
http://wiki.answers.com/Q/How_to_calculate_empiria...
C = 4.8/12 = 0.4 H = 1/1 = 1 Mole ratio C:H = 1:2.5 = 2:5 Empirical formula = C2H5 (C2H5)n = 58 29n = 58 Hence n = 2 So the molecular formula of the compound is C4H10 (butane)
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