Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:2 When 50 cm' of hydrochloric acid of concentration 2.0 mol dm³is added to 50 cm of
sodium hydroxide solution of concentration 2.0 mol dm, the temperature increase is 13.0°C
HCl(aq) + NaOH(aq)
+ NaCl(aq) + H,0(1)
The experiment is repeated using 25 cm³ of the same hydrochloric acid and 50 cm³ of
the same sodium hydroxide solution.
What is the temperature increase?
| A 4.9°C
| B 6.5°C
| C 8.7°C
D 13.0°C
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