Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 149e: 65a


$CCl_2F_2 + 2Na_2C_2O_4 -- \gt C + 4CO_2 + 2NaCl + 2NaF$

Work Step by Step

1. Write the unbalanced reaction, based on the reactants and products described in the exercise: $CCl_2F_2 + Na_2C_2O_4 -- \gt C + CO_2 + NaCl + NaF$ 2. Let's start by giving the coefficients of the chlorine and fluorine compounds: $1CCl_2F_2 + Na_2C_2O_4 -- \gt C + CO_2 + 2NaCl + 2NaF$ 3. Now, we have a total of 4 sodiums on the products side, so we have to put a 2 on the sodium oxalate: $1CCl_2F_2 + 2Na_2C_2O_4 -- \gt C + CO_2 + 2NaCl + 2NaF$ 4. We have 8 oxygens on the reactant's side, so we have to put a 4 on the carbon dioxide. $1CCl_2F_2 + 2Na_2C_2O_4 -- \gt C + 4CO_2 + 2NaCl + 2NaF$ Now, the reaction is totally balanced.
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