Answer
30.69grams/mol
Work Step by Step
65% F =$\gt$ 65 grams F
65 grams $\times$ $\frac{1mol}{19grams}$ = 3.42mol
3.42 mol F $\times$ $\frac{1 mol X}{3 mol F}$ = 1.14 mol X
35% X =$\gt$ 35 grams X
35grams X/ 1.14 mol X = 30.69 grams/mol
Chemistry: The Central Science (13th Edition)
by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.
Published by
Prentice Hall
ISBN 10:
0321910419
ISBN 13:
978-0-32191-041-7
Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 115: 3.49
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