Chemistry: The Central Science (13th Edition)

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

Chapter 3 - Chemical Reactions and Reaction Stoichiometry - Exercises - Page 115: 3.48b

Answer

Na2SiF6

Work Step by Step

24.5% Na ; 14.9% Si ; 60.6% F Na = (24.5(g/mole))/(22.99(g)) = 1.07 moles Si = (14.9(g/mole))/(28.09(g)) = 0.530 moles F = (60.6(g/mole))/(19(g)) = 3.19 moles Divide by the smallest amount of moles. 1.07/0.530 = 2.02; 0.530/0.530 = 1 ; 3.19/0.530 = 6.01 Ratio: 2 ; 1 ; 6
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