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Problem: What is the value of n when the empirical formula is C 3H5 and the molecular mass is 205.4 g/mol?

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We’re being asked to determine the value of n (empirical unit) when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol.


An empirical formula is the simplest ratio of whole numbers of components in a compound.


We have to compute for molar mass of our empirical formula C3H5:

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Problem Details

What is the value of n when the empirical formula is C 3H5 and the molecular mass is 205.4 g/mol?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Molecular Formula concept. You can view video lessons to learn Molecular Formula. Or if you need more Molecular Formula practice, you can also practice Molecular Formula practice problems.

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Based on our data, we think this problem is relevant for Professor Medina's class at MDC.