A hydrate of cobalt(II) chloride had a mass of 165.88 g before heating. After heating, the anhydrous CoCl, weighed 130.9 g. What is the mass of the water that was removed by heating? mass of the water = How many moles of water were removed by heating? moles of the water = mol How many moles of anhydrous CoCl, remain? moles of CoCl,= mol

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 84QAP: Suppose that the atomic mass of C-12 is taken to be 5.000 amu and that a mole is defined as the...
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A hydrate of cobalt(II) chloride had a mass of 165.88 g before heating. After heating, the anhydrous CoCl, weighed
130.9 g.
What is the mass of the water that was removed by heating?
mass of the water =
g
How many moles of water were removed by heating?
moles of the water =
mol
How many moles of anhydrous CoCl, remain?
moles of CoCl,=
mol
Transcribed Image Text:A hydrate of cobalt(II) chloride had a mass of 165.88 g before heating. After heating, the anhydrous CoCl, weighed 130.9 g. What is the mass of the water that was removed by heating? mass of the water = g How many moles of water were removed by heating? moles of the water = mol How many moles of anhydrous CoCl, remain? moles of CoCl,= mol
How many moles of water were removed by heating?
moles of the water =
mol
How many moles of anhydrous CoCl, remain?
moles of CoCl,=
mol
What is the hydration number (moles of water per mole of compound)?
hydration number =
Transcribed Image Text:How many moles of water were removed by heating? moles of the water = mol How many moles of anhydrous CoCl, remain? moles of CoCl,= mol What is the hydration number (moles of water per mole of compound)? hydration number =
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