CM011LGeneral Chemistry Laboratory forEngineering StudentsMAPÚASchool of Chemical,Biological, and MaterialsEngineering and SciencesExperiment 1 Data SheetExperiment 1Vinegar AnalysisGroup no.Members:Objectives:To determine the percent mass of acetic acid in vinegarData:Vinegar Sample :Trial 1Trial 2Trial 3No data neededMass of flask, gNo data neededMass of flask+sample, gMass of sample, gInitial buret reading, mLFinal buret reading, mL28.227.928Volume NaOH used, mLConcentration of NaOH,ml/L0.099990.099990.09999Moles of NaOH added,molMoles of acetic acid invinegar, molMass of acetic acid invinegar, g%mass of acetic acid invinegar, %Average % mass of aceticacid in vinegar sampleStandard deviation%RSDCalculations

We are given the experimental data and we have to calculate the mass % of acetic acid in vinegar…

Objectives: To determine the percent mass of acetic acid in vinegar Data: Vinegar Sample : Trial 1 Trial 2 Trial 3 No data needed Mass of flask, g No data needed Mass of flask+sample, g 5 Mass of sample, g Initial buret reading, mL 28.2 27.9 28 Final buret reading, mL Volume NaOH used, mL Concentration of NaOH, ml/L 0.09999 0.09999 0.09999 Moles of NaOH added, mol Moles of acetic acid in vinegar, mol Mass of acetic acid in vinegar, g %mass of acetic acid in vinegar, % Average % mass of acetic acid in vinegar sample Standard deviation %RSD Calculations

Objectives: To determine the percent mass of acetic acid in vinegar Data: Vinegar Sample : Trial 1 Trial 2 Trial 3 No data needed Mass of flask, g No data needed Mass of flask+sample, g 5 Mass of sample, g Initial buret reading, mL 28.2 27.9 28 Final buret reading, mL Volume NaOH used, mL Concentration of NaOH, ml/L 0.09999 0.09999 0.09999 Moles of NaOH added, mol Moles of acetic acid in vinegar, mol Mass of acetic acid in vinegar, g %mass of acetic acid in vinegar, % Average % mass of acetic acid in vinegar sample Standard deviation %RSD Calculations

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.12QAP

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aur X Macmilla X 2/ Course X 50 ~ T Sections X Submit Answer evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshot! References lancing Molecular Equations: This is group attempt 2 of 10 HOMEW X Use the References to access Important values if needed for this question. When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coefficients are: Na (s) + H₂0 (1). NaOH (aq) + H₂ (8) ≡く □ □ A MindTap ㅁ Autosaved at 5:51 PM MacBook Air Gatoms to When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coeffi Br₂(g) + Cl₂(g) →BrCl(g) X Dom
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2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS
(in ML) evo/index.html?deploymentld%35575082893418928890996 2&elSBN=9781305657571&nbld%3D2199898&snapshotld%3D21998... * INDTAP Q Search this co Use the References to access important values if needed for this question. Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H2C204•2H2O. A student dissolves 0.210 grams of H,C,O4•2H¬O in water and titrates the resulting solution with a solution of sodium hydroxide of unknown concentration. If 27.3 mL of the sodium hydroxide solution are required to neutralize the acid, what is the molarity of the sodium hydroxide solution ? M Submit Answer 5 question attempts remaining Ne
Help 100% 47 Tue 4: Public Health Ch HSC 258 - Major Projec X Mind Tap - Cengage Lea X C The Illustration To The d%355750828934189288909969212&elSBN=9781305657571&id=1061392007&nbld=D21... Tp Q Search this ce References Use the References to access important values if needed for this question. For the following reaction, 5.66 grams of oxygen gas are mixed with excess carbon (graphite) . Assume that the percent yield of carbon dioxide is 69.8 %. → carbon dioxide(g) carbon (graphite)(s) + oxygen(g) grams What is the ideal yield of carbon dioxide ? grams What is the actual yield of carbon dioxide ? Submit Answer
O Course Home b Chemistry Question | bartleby G indivuials with austium good to -> A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=446c877376a9bc7ac878d8ad119f4717#10001 Q * E Apps O Maps E Connect - To Do As... O OCCC Moodle P chem work b help Gmail YouTube Balance Chemical E. II Review | Constants | Periodic Table A carbon atom is chiral if it is bonded to four different groups. For example, CHCIBII is chiral, but CCl,BrI is achiral because some of the bonded groups are the same. If a chiral carbon atom is present, then that molecule has a non-superimposable mirror image called an enantiomer. (Figure 1) Part A Identify all the chiral atoms in the below structure by right-clicking* a chiral atom to bring up a menu that includes "Atom Properties." Click on Atom Properties then click the checked box next to the Map field to clear the checkmark. Then enter "1" in the Map *Mac users: Use an equivalent for right- field box to label that chiral carbon atom. clicking.…
PART3-1ABORATORY FQUIEMENT FQUIPMENTNAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances. To stir during experiments that involve mixing or dissolving.
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EN-US My Notes DOO ... L.. Table 1.2 ; Data sheet/ Part B RART B Record your data with units unknown Letter mass of empty evaporating dish 41.35g mass of unknown sample 3.01g mass of petri dish half t Clean funnel mass of petri dish half+ funnel + Sublimed NHYC) mass of evaporating dish With residue atfter Sublimator mass of evaporating dish and sand, first drying att empt. mass of evaporating dish and dry sand after setond 43.07g 43.079 Lab3: Sublimah on Crroup #12 Februany 26, 202
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