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Naphthalic acid, a large organic molecule, is found to have the following composition: C, 66.67%;H, 3.73%;O,...

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Chemistry

Naphthalic acid, a large organic molecule, is found to have thefollowing composition: C, 66.67%;H, 3.73%;O, 29.60% by mass.
Determine the empirical formula of this compound.


B. Given that the molar mass of naphthalic acid is 216g/mol,what is the compound's molecular formula?

Answer & Explanation Solved by verified expert
3.6 Ratings (381 Votes)
Explanation The steps for determining the empirical formula of a compound are as follows Step 1 Obtain the mass of each element present in grams Element mass in g Step 2 Determine the number of moles of each type of atom present mass atomic mass Mole M Step 3 Divide the number of moles of each element by the smallest    See Answer
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