What is the name of the hydrate that you used in this experiment? For example, the anhydrous compound cobalt (II) chloride is blue, while the hydrate is a distinctive magenta color. The water is physically Divide the 79mm) x- _. " should be almost pure white. The mass of the anhydrous salt and test tube was 31.0035 grams. Experiment 5: Percent Water in a Hydrated Salt Flashcards Calculate crucible for another 5 minutes, cool, then weigh. 12. 10. Lab 5. Percentage of Water in a Hydrate Pre-Lab Quiz Flashcards | Quizlet We reviewed their content and use your feedback to keep the quality high. upon heating, a hydrate decomposes and produces an. 6. 30.077 g Mass of hydrate. 5. (Show work for credit.) This is your theorectical value. (Convert mass to moles.) [4/ 9. In another experiment, the mass of a hydrate was found to be 2.7090 grams. 1. of water lost. 6. Spring 2017 - CHE 117 - Lab 09b - Determining Avogadro's Number, Spring 2017 - CHE 117 - Lab 01b - Percent Water in a Hydrate (1).doc, Spring 2022 - CHE 117 - Lab 10 - PreLab Lecture (1).pptx, Spring 2017 - CHE 117 - Lab 08 - Alkalinity and the Carbonate System(1), Spring 2017 - CHE 117 - Lab 05 - The Determination of an Equilibrium Constant, Unformatted text preview: Percent Water in a Hydrate If some table salt, NaCl, gets wet, it is now a hydrate! Le Chatelier's principle predicts that an addition of heat to an endothermic reaction (heat is a "reactant") will shift the reaction to the right (product side). PDF Percent Water in Hydrate Lab - Erlenbeck's Science Room . 4. The hydrate listed above is called copper (II) sulfate pentahydrate. the redder the object. b. What was the mass of water lost? Pre-Lab E Obtain the mass of the empty evaporating dish and record the mass in the data table. The procedure is clearly defined so that there is no question about the proper way to safely perform the lab. After preparing the weighing bottles, weigh each weighing bottle on the analytical balance to the nearest 0.0001 g. Record the masses, time and date in the prepared format in your notebook. 20.1-23- - . (s) b. 2. Purpose To find the percent of water in an unknown hydrate. Put on your CHEMICAL (0.3610 g /1.000 g) (100) = 36.10%. Lab Report on Hydrates - Docsity nonmetal, or compounds that contain a polyatomic ion. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. it, p 2. Find the mass of the water lost after heating. Return the weighing bottles to the oven for an additional specified amount of heating, followed by cooling, and weighing to ascertain whether more water has been driven off. the dimmer the object. Determine the percent water of hydration in a hydrate sample. 10.11: Percent of Water in a Hydrate - Chemistry LibreTexts
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