General Chemistry 10th Edition

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

Chapter 1 - Chemistry and Measurement - Questions and Problems - Page 36: 1.96

Answer

7.1 g is the mass of chlorine that entered in chemical reaction.

Work Step by Step

1- Apply the law of conservation of mass for this chemical reaction: m (of sodium bromine) + m (chlorine) = m (of bromine) + m (of sodium chlorine) 2- Replace the mass of sodium bromine, mass of bromine and mass of sodium chlorine, in order to find the mass of chlorine that have entered the reaction: 20.6 g + m (of chlorine) = 16.0 g + 11.7 g 20.6 g + m (of chlorine) = 27.7 g m (of chlorine) = 27.7g – 20.6 g m (of chlorine) = 7.1 g Therefore the mass of chlorine that entered in chemical reaction was 7.1 g.
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