C5 Basic run through of C5A 1.5 / 5 based on 3 ratings ? ChemistryCalculations, moles and yieldGCSEOCR Created by: Zainab OshodiCreated on: 02-12-11 20:19 a - Moles and Empirical Formulae Number of Moles = Mass/Molar Mass To calculate the empirical formula of a compound, you need: The percentage composition by mass mass of each element in a sample of a compound For example: C6H1206 = CH2O You can look at this a ratio. 1:2:1 1 of 1
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