Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises: 42

Answer

$Mass \space of \space carbon \space dioxide=88g$

Work Step by Step

According to law of conservation of mass, the mass of reactants is equal to the mass of the products The balanced chemical equation for the reaction can be written as $C_2H_5OH+3O_2\rightarrow 3H_2O+2CO_2$ $Mass \space of \space reactants=Mass \space of\space ethanol+Mass \space of\space oxygen=46+96=142g$ $Mass\space of\space products=Mass\space of\space water +Mass \space of \space carbon \space dioxide=54+ Mass \space of \space carbon \space dioxide$ Now $142g=54+Mass \space of \space carbon \space dioxide$ $Mass \space of \space carbon \space dioxide=88g$
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