Formal lab report #1: empirical formula of a hydrate for this lab, you will be writing your first formal lab report for chemistry your formal lab report must contain the following sections: introduction procedure data/results discussion. Essay lab report kimmi dodia- biomedical science- 1019971 lab partner- kim harcourt lab report- experiment 1: microbial genetics abstract the objective of this experiment was to introduce the study of bacterial genetics in order to identify the potency of different mutagenic agents. Lab #7: composition of a hydrate safety: copper sulfate is a skin and respiratory irritantit is toxic by ingestion and inhalation wear goggles at all times be sure to wash your hands thoroughly at the end of the experiment.
Weighing in the constant mass portion of the report form if the mass difference between the first and second pre- laboratory questions and exercises due before lab begins answer in space provided exp_18_percentage_and_formula_of_a_hydratedoc. Chemistry 101 page 5 of 191 syllabus activity report points unknown points tour of the laboratory, laboratory procedures proper use of laboratory notebook. Hydrate lab report for chemistry lab 9-19-13 dehydrating and rehydrating a hydrate introduction the mass percent of water was determined using the mass of water and dividing it by the total mass of the hydrate and then multiplying that answer by 100% the number of moles of water in a hydrate was determined by taking the mass of the water released and dividing it by the molar mass of water.
Chemistry lab report format see your lab report guide for how to write a stellar conclusion ap chemistry lab – formula of a hydrate (inquiry) background some chemical compounds, especially inorganic salts, incorporate water into their crystalline structures these are called hydrates. The lab work has two objectives: first, confirm the formula of a hydrate with known formula and second, find the formula of a hydrate in which the salt formula is known but not the molar amount of water. To write a chemistry lab report, start by describing your experiment and your hypothesis, or what you think will happen include the reaction equation, which you is the chemical reaction that you are going to be conducting, including the reactants and products and their structure. Introduction to chemistry revision 12 laboratory exercise: the chemical formula of a hydrate in this laboratory exercise we will determine the relative amount of water in a hydrated compound we will do this by determining the mass of water driven out of the compound when. View lab report - hydrate lab from science chemistry at coram deo academy - flower mound campus hydrate lab purpose: the objective of this experiment is to determine the number of moles of water.
Perform this lab so that you know how well your company’s supply of cuso 4 absorbs moisture objectives demonstrate proficiency in using the balance and the bunsen burner determine that all the water has been driven from a hydrate by heating your percent composition of hydrates. Chemistry lab: analysis of a hydrate—part 1 calculations: neatly show and document, in your lab report, analysis of percent water in an unknown hydrate---- part 2 using the assigned unknown, follow the above procedure and determine percent water in your unknown. Nazarbayev university school of science & technology chemistry i lab report: properties of hydrates id: 201075648 march 2, 2012 lab instructor: eugene douglass most hydrates are stable at room temperature is written as bacl2 • 2h2o. Lab - determining the chemical formula of a hydrate some ionic compounds form crystalline structures that trap water molecules within the crystalline. Hydrate lab purpose: hydrate - a compound that contains the water molecule in this case, cuso4 h2o anhydrate - a compound that does not contain the water molecule in this case cuso4 the goal of the lab is to find out how many water molecules are in the hydrate molecule when this is found you will be able to write the formula and.
Chemistry: lab – formula of a hydrate introduction: many salts that have been crystallized from water solutions appear to be perfectly dry, yet when heated yield large quantities of water the crystals change form, and sometimes color, as the water is driven off this. Chemistry 161 lab k marr- revised fall 2009 lab 3 analysis of hydrated sulfate salts prelab assignment before coming to lab: use the handout lab notebook policy as a guide to complete the following sections of your report for this lab exercise before attending lab: title and date of lab, introduction. Hydrate lab report for chemistry lab the sample needed to return to the oven for a second heating to insure that all of the water was heated off of the sample if the mass difference between the first and second heating was greater than 0 005g, the sample would have been needed to be heated a third time because all of the water had not yet. : in this lab you will calculate the percent composition of water in a hydrate and determine the empirical formula of the hydrate you are working with pre-lab questions. Ryan thomas chemistry honors period 1 5/6/07 determining the formula of a hydrate purpose to determine the formula of a hydrate materials goggles lab apron evaporating dish (clean and dry) cuso4 crystals safety 1.
Please watch and comment on my video lab i created i am trying to get an idea of how i could use video labs with my chemistry course or website. For high school chemistry june 2007 2 the school board of miami-dade county public schools mr agustin j barrera, chair dr martin karp, vice chair good scientists reflect on their work by writing a lab report a lab report is a recap of what a scientist investigated it is made up of the following parts title (underlined and on the top. Chemistry lab #4 page 1 of 2 lab #4: percent composition of a hydrate objectives: 1 to find the percent of water of a hydrate 2 to determine the empirical formula of a hydrate.
Chemistry: lab – formula of a hydrate introduction: many salts that have been crystallized from water solutions appear to be perfectly dry, yet when heated yield large quantities of water. Title: water of hydration purpose: the purpose of this lab was to determine that all the water has been driven from a hydrate by heating a sample also another purpose was to use experimental data to calculate the moles of water released by a hydrate and to calculate the mass of the sample after each heating materials: as stated in lab manual methods: as stated in lab manual data: mass of. The chemical formula of a hydrate can be determined by analyzing the percent water in the hydrate, the ratio of the mass of water lost upon heating divided by the mass of the original hydrate the formulas of some common hydrates and their anhydrous salts are summarized below. Chemistry 11 santa monica college d determination of the formula of a hydrate data 1 mass of crucible and cover 2 mass of crucible, cover and solid hydrate.
Determination of the formula of a hydrate – a greener approach • to learn and apply the concepts of green chemistry materials unknown hydrate salt, crucibles and covers, crucible tongs, analytical balances, high temperature oven, ring stand, hot plate, wire gauze, beaker of water, stirring the next lab section will use your recycled. Hydrate lab purpose in this experiment you will remove the water of hydration from a known mass of hydrated copper sulfate chemistry resources for high school teachers and students - powerpoint lessons, notes, labs, worksheets, handouts, practice problems, and solutions.