3. A student heated an unknown hydrate, Na,SO4•XH,O, 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. Calculate the moles of anhydrous salt in the sample. Show all steps. (The molar mass of this salt is 142.04 g.) a.

3. A student heated an unknown hydrate, Na,SO4•XH,O, 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. Calculate the moles of anhydrous salt in the sample. Show all steps. (The molar mass of this salt is 142.04 g.) a.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 132AE: Many cereals are made with high moisture content so that the cereal can be formed into various...

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