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Lab: Composition of a Hydrate (High School Chemistry or Physical Science)

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1.33 MB   |   6 (3 pages for student, 3 pages for teacher) pages

PRODUCT DESCRIPTION

Lab: Determining the Composition of a Hydrate

For students in Grades 8-12.

INTRODUCTION:
Hydrates are ionic compounds that have a number of water molecules attached as part of their structure. The water is present in a definite and consistent ratio. When hydrates are heated, the water is released from the compound as water vapor.

In this lab, the student will determine the percentage of water in the hydrate by comparing the mass of the hydrate to the mass of the anhydrous salt. The hydrate being used in this experiment is copper (II) sulfate “x”hydrate. When heated, the copper sulfate will lose the water and turn from a blue color to a white color.

PURPOSE:
1. To determine the percentage of water in a hydrate.
2. To determine the correct formula of copper (II) sulfate hydrate.

MATERIALS AND EQUIPMENT:
Evaporating dish, Crucible Tongs, Wire gauze, Microspatula, Bunsen burner, Balance, Safety Goggles, Ring Stand and ring , Lab apron, Copper (II) sulfate hydrate .

The four-page student handout includes: Introduction, Purpose, Materials List, Safety Precautions, Procedure, Data Table, Calculations and Analysis Questions.

The three-page teacher guide includes: Tips and suggestions, Solutions to the calculations, and answers to all questions.

All of my labs can be viewed by clicking this link.

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Amy Brown (Science Stuff)
Total Pages
6 (3 pages for student, 3 pages for teacher)
Answer Key
Included
Teaching Duration
55 Minutes

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Lab: Composition of a Hydrate (High School Chemistry or Ph
Lab: Composition of a Hydrate (High School Chemistry or Ph
Lab: Composition of a Hydrate (High School Chemistry or Ph
Lab: Composition of a Hydrate (High School Chemistry or Ph