It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 31.43 gram sample of a hydrate of KF was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 19.40 grams of the anhydrous compound remained. What is the formula of the hydrate? Use a period instead of a dot in the formula of the hydrate.

It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 31.43 gram sample of a hydrate of KF was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 19.40 grams of the anhydrous compound remained. What is the formula of the hydrate? Use a period instead of a dot in the formula of the hydrate.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter3: Measurement And Chemical Calculations

Section: Chapter Questions

Problem 63E: The mole is the SI unit for the amount of a substance. The mass of one mole of pure table sugar is...

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