3. A student heated an unknown hydrate, Na,SO4 XH,0, in a crucible. The water was driven off, leaving the anhydrous salt in the crucible. After cooling, the mass of the anhydrous salt and water lost was calculated. The mass of the anhydrous salt was 0.695 g and the mass of water lost was 0.895 g. a. Calculate the moles of anhydrous salt in the sample. Show all steps. (The molar mass of this salt is 142.04 g.)
3. A student heated an unknown hydrate, Na,SO4 XH,0, in a crucible. The water was driven off, leaving the anhydrous salt in the crucible. After cooling, the mass of the anhydrous salt and water lost was calculated. The mass of the anhydrous salt was 0.695 g and the mass of water lost was 0.895 g. a. Calculate the moles of anhydrous salt in the sample. Show all steps. (The molar mass of this salt is 142.04 g.)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.199QP
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