#### Answer

The number of atoms is found by multiplying the subscript of the atom by the subscript of the parenthesis.

#### Work Step by Step

$Ba(NO_{3})_{2}$ has 2 Nitrogens and 6 Oxygens for every Barium.
(1 x 2) = 2
(3 x 2) = 6

Published by
Pearson

ISBN 10:
032191029X

ISBN 13:
978-0-32191-029-5

$Ba(NO_{3})_{2}$ has 2 Nitrogens and 6 Oxygens for every Barium.
(1 x 2) = 2
(3 x 2) = 6

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