This phenomenon could have deviated the ratio by causing a loss in the amount of water and anhydrate. Blog. If we had either heated the beaker with a strong flame from the beginning or increased the amount of time of heating, the number of moles of water during calculation could have been larger. SCH3U The Formula of a Hydrate Lab Report Introduction When water is evaporated from an aqueous solution of salt, water molecules often become incorporated into the crystals that form. Please provide your answers in the, information about the lab please see the powerpoint provided in the message board, and the recorded live lesson. According to a smaller ratio compared to the expected ratio, more water was probably lost during this occurrence, which lowered the number of water moles. Not all hydrates have simple formulas like these. 2. Find the formula and name of the hydrate. An anhydrate is the substance that remains after the water from a hydrate has been removed through heating. Formula for Hydrate (salt) MgSO4 _____H2O. Please provide your answers in the blue areas . When determining theformula of a hydrate you must not assume that it is one with a simple formula. Look in your textbook, the handbook of chemistry, or another reference to see if the formula you found matches any of the known formulas . By knowing that ions such as Cu2+ and Fe3+ have their designated colors, we were able to eliminate three options for the anhydrate, FeCl3, Fe(No3)3, and CuSO4, as the hydrate appeared to be white due to the colorless magnesium.Thus, this knowledge of specific colors of ions led us to confidently conclude that the anhydrate was undoubtedly magnesium sulfate. Conclusions: Copper (II) Sulfate (CuSO4) We were trying to determine the mass of the hydrate, anhydrous salt, and water, as well as the empirical formulas for Copper (II) Sulfate (CuSO4). This preview shows page 1 - 2 out of 5 pages. 1. Pre-lab problem: You weigh a crucible with cover and find that they weigh 19.12 grams. Copper(II) sulfate pentahydrate is an example of such a hydrate. The data obtained from the lab is here: Determining the Chemical Formula of a Hydrate Purpose Find the molecular formula of the hydrate of Copper (II) Sulfate, CuSO4 x H20. Once we know how much water is needed for each magnesium sulfate, we can then name the substance in MgSO. Lab #5 Determining Chemical Formula of a Hydrate Zeeshan Saleem Nikki Pandey Brandt Farazian Hoang Phan 6/15/2015 Chem 1411.S2L. Our lab is tomorrow and i have no idea what to do, my teacher isn't very good, ://. You then place your hydrate into the crucible and weigh them again. Problem #2: A hydrate of Na 2 CO 3 has a mass of 4.31 g before heating. Its formula is CuSO 4 5H 2 O. did a lab at our school recently but some of the questions regarding the lab confused me. Before this, we had heard of this scientific word briefly in textbooks and in class, but we were never sure of its exact definition. This type of crystal is, called a hydrate. Some sources of deviation of the data may include: a. We believe our hydrate was magnesium sulfate, because the unknown hydrate was more closely related in physical appearance to that of magnesium sulfate, compared to the the three other options. Therefore the formula is MgSO 4 . After heating, the crucible and anhydrous salt have a mass of 13.010 grams. , as the hydrate appeared to be white due to the colorless magnesium.Thus, this knowledge of specific colors of ions led us to confidently conclude that the anhydrate was undoubtedly magnesium sulfate. Thus, when the mass of the dish itself is subtracted (to get the mass of the dehydrated salt), the resulting value for the dehydrated salt will be erroneously too small. Measure 2-3 grams of CuSO4 hydrate. Determining the Chemical Formula of a Hydrate Group Members: Akshay , Jason, and Doris Teacher: Ms.Misiri By : Ravinna Raveenthiran Course Code: SCH3U Due Date: May 2 2016 Chemistry Lab Purpose: The purpose of this experiment is to determine the chemical formula for the hydrate of copper (II) sulfate. Is best represented as ( CdSO 4 ) 3 ( H 2 O ) 8 for waiting until all of! And sometimes color, as well as the first step, use the following to. For hydrate ( salt ) MgSO4 _____H2O, there must be a sources. Evaporating dish weighs less than it should lab was to find the chemical formula and the name of hydrated. Course Hero is not sponsored or endorsed by any college or university sulfate has purple. Handle them with tongs Read and complete the folowing and submit your answers as a word document in Canvas specific! 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