General Chemistry 10th Edition

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

Chapter 21 - Chemistry of the Main-Group Elements - Questions and Problems - Page 931: 21.118

Answer

Please see the work below.

Work Step by Step

We can find the amount of heat as $20.0g\times\frac{1 mol\space HF}{2.016g\space HF}\times \frac{-545KJ}{2mol\space HF}=-272.36KJ$
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