Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to a…
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1,1-Dichloroethane (CH3CHCl2) has a vapour pressure of 228 torr at 25 °C; at the same temperature, 1,1-dichlorotetrafluoroethane (CF3CCl2F) has a vapour pressure of 79 torr. What mass of 1,1-dichloroethane must be mixed with 240.0 g of 1,1-dichlorotetrafluoroethane to give a solution with vapour pressure 157 torr at 25 °C? Assume ideal behaviour. (1 atm = 760 torr).
 
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