General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 2 - Atoms, Molecules, and Ions - Questions and Problems - Page 85: 2.95

Answer

There are 9 atoms of oxygen on the right side.

Work Step by Step

Count the oxygen atoms in each of the substances on the right side of the equation. there are 3 atoms of oxygen in PbC$O_{3}$ There are 6 atoms of oxygen in 2 KN$O_{3}$ ( 3x2=6) So in total there are 9 atoms of oxygen on the right side.
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