connected to the rest of the formula with a raised dot, formula for copper (II) sulfate pentahydrate, how do we remove the waters of hydration from a compound? Two forms of this, included for student differentiation. 1. ("n" in SrCl2nH2O) 3.) Ut elit telctus nec ullamcorper matti, A2 Transition Elements Complexes and Equilibria, LAB #1 Preparation of a standard solution, AS Amount of Substance # 6 More complex calculations, AS Enthalpy Change of a Displacement Reaction, AS Enthalpy Change of Combustion of Fuels, ELECTROCHEMISTRY Exercises 1 Oxidation numbers, AS Volumetric Analysis 1-Preparation of a standard solution of NaOH, AS- Finding the molar mass of a volatile liquid, AS Experimental Determination of the Gas Constant, AS Qualitative Analysis Ions Recognition, IGCSE CH 2 Mixtures-Separation Methods Vocabulary, Matter Notes #3 Pure Substances and Mixtures, IGCSE BONDING DRY LAB Bears and Penguins, Precipitation Reactions Testing for Ions, Empirical and Molecular Formula Exercises, Rates of Reaction Lab #2 AlkaSeltzer + H2O, The Air Up There Making Space Breathable, Determine the percent of water present in a hydrated copper (II) sulfate (CuSO, Epson Salt (Magnesium Sulfate Sample (Around 5.0 g). 1. Calculate the molar ratio of water to anhydrous solid to determine the hydrate's formula. By knowing that ions such as Cu, have their designated colors, we were able to eliminate three options for the anhydrate, FeCl. Your LAB SETUP should be a sketch of the picture on the right. Record the mass. Mark Bailliecoordinated the modifications ofthis activity for implementation in a 15 week fall course, with the help of Elena Lisitsyna and Karie Sanford. We could have not gotten rid of the water in the hydrate to begin with as 15 minutes of heating was perhaps too short. CuSO5HO (s, blue)heatCuSO (s, white)+5HO (g) 3 steps to determining percent water in unknown hydrate. Most hydrates lose their water of hydration at temperatures slightly above 100 oC. PDF Lab Exercise: Percent Water in a Hydrate - gccaz.edu

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