• Determine the number of moles of each element by dividing the percentage by the molar mass.
• Examine the number of moles for each element and then divide each of them by the smallest value
• If the results for all elements are approximately integers, use these to construct the empirical formula.
• If the results for all elements are not integers, then multiply all of them by a factor to make them integers and construct the empirical formula.
• If a coefficient is 'one', enter the number '1' in the appropriate field.

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