4a. In the gravimetric analysis of determination of loss of water molecules of hydration from a hydrated salt, identify any one possible mistake, and one proper way to fix it. b.To determine the number of moles of the water of crystallization (n) of a hydrated salt, a student took a sample of 5.94 g of a Cobalt(II)chloride hydrate. The student heated the sample over a burner until constant mass. After cooling, he found that the mass of the remaining dehydrated salt was 4.65 g. i. Determine the mass of water lost by the sample. And the Determine the number of moles of anhydrous Cobalt(II)chloride and water.
4a. In the gravimetric analysis of determination of loss of water molecules of hydration from a hydrated salt, identify any one possible mistake, and one proper way to fix it. b.To determine the number of moles of the water of crystallization (n) of a hydrated salt, a student took a sample of 5.94 g of a Cobalt(II)chloride hydrate. The student heated the sample over a burner until constant mass. After cooling, he found that the mass of the remaining dehydrated salt was 4.65 g. i. Determine the mass of water lost by the sample. And the Determine the number of moles of anhydrous Cobalt(II)chloride and water.
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 53A
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4a. In the gravimetric analysis of determination of loss of water molecules of hydration from a
hydrated salt, identify any one possible mistake, and one proper way to fix it.
b.To determine the number of moles of the water of crystallization (n) of a hydrated salt, a
student took a sample of 5.94 g of a Cobalt(II)chloride hydrate. The student heated the sample
over a burner until constant mass. After cooling, he found that the mass of the remaining
dehydrated salt was 4.65 g.
i. Determine the mass of water lost by the sample.
And the Determine the number of moles of anhydrous Cobalt(II)chloride and water.
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