Answer
$SiH_4$
Work Step by Step
Number of moles of $SiO_2$:
$11.64\ g\div 60.08\ g/mol=0.194\ mol$, $0.194\ mol$ of Si
Number of moles of water:
$6.980\ g\div 18.015\ g/mol=0.387\ mol$, $0.775\ mol$ of H
Ratio: $4.00$
$SiH_4$
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179h: 89
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