Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises: 4.67a

Answer

315.56 grams of ethanol

Work Step by Step

You have 1L of vodka, which is 6.86 M, which means 6.86 mol/L. Therefore you have 6.86 mol/L * 1L = 6.86 moles of alcohol. Now we need to convert this to grams so we need to find the molar mass of ethanol. CH3CH2OH C is 12 H is 1, 3*1 = 3 C is 12 H is 1, 2*1 = 2 O is 16 H is 1 12 + 3 + 12 + 2 + 16 + 1 = 46 g/mol Then we have 6.86 moles * (46 g/moles) = 315.56 grams
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