19A Empirical Formula

Front

What is an empirical formula?

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An empirical formula is the simplest whole-number ratio of atoms of each element in a compound.

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Which of the following is an empirical formula? H₂O₂, C₂H₆O₁₂, CaCl₂, N₂O₈

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CaCl₂ is the empirical formula.

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Identify the empirical formula for C₃H₈.

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The empirical formula is C₃H₈.

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Which one is the empirical formula for Br₂O₆?

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The empirical formula is BrO₃.

Front

What is the empirical formula for C₄H₆?

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The empirical formula is C₂H₃.

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Determine the empirical formula for C₂₅H₄₅.

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The empirical formula is C₅H₉.

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How do you find the empirical formula from a molecular formula?

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To find the empirical formula, divide the subscripts in the molecular formula by their greatest common divisor.

Front

What is the empirical formula for C₆H₁₂?

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The empirical formula is CH₂.

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If a compound has a molecular formula of C₈H₁₈, what is its empirical formula?

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The empirical formula is C₄H₉.

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What is the empirical formula for glucose (C₆H₁₂O₆)?

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The empirical formula is CH₂O.