Analysis of Vinegar bno bisAntorizaM oluoslo M Data: hoqs Brand of vinegar omireCz0 Trial 1 Trial 2 Trial 3 Mass of empty 125 mL flask 82.275 75.421 68.377 Mass of flask + vinegar sample 98.338 g 71.050 29.74 plointen Mass of vinegar sample 0.004 0,092 0.003 g Volume of vinegar sample 2.0 2,0 L Initial buret reading 0,02 202 L 0.04 Final buret reading 24.05 (8.02 305 L Volume of NAOH solution used 24.03 18.0 Lamibe 3.0ud faihini L Uncertainty in measuring mass 0,001 gaibson tond sui Uncertainty in measuring volume Uncertainty in measuring end point HOS to smitoV mil sloM

Analysis of Vinegar bno bisAntorizaM oluoslo M Data: hoqs Brand of vinegar omireCz0 Trial 1 Trial 2 Trial 3 Mass of empty 125 mL flask 82.275 75.421 68.377 Mass of flask + vinegar sample 98.338 g 71.050 29.74 plointen Mass of vinegar sample 0.004 0,092 0.003 g Volume of vinegar sample 2.0 2,0 L Initial buret reading 0,02 202 L 0.04 Final buret reading 24.05 (8.02 305 L Volume of NAOH solution used 24.03 18.0 Lamibe 3.0ud faihini L Uncertainty in measuring mass 0,001 gaibson tond sui Uncertainty in measuring volume Uncertainty in measuring end point HOS to smitoV mil sloM

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.12QAP

See similar textbooks

Similar questions

Mon 4:35 PM nnections | Un X * Student Employment | Car X Illinois State University : H X Mind Tap - Cengage Learn X G If a sample of lithium con index.html?deploymentld%3D55750828934189288909969212&elSBN=9781305657571&nbld%3D2199898&snapshotld%3219989. * DTAP Q Search this Use the References to access important values if needed for this question. If a sample of lithium contains 2.50x10 atoms of lithium-7 and 2.00×10³ atoms of lithium-6, what is the percentage of lithium-6 atoms in the sample? Submit Answer 5 question attempts remaining Next Autosaved at 4:32 PM Back
C Cle. X Ck-1 x CK- X Juiz x C Infin X Pot x Wor X M Inbox Batt X Gfren x ton X Car X grat x ← → CO ✰ mcsd.quiz-lti-iad-prod.instructure.com/taking/2959650/take ☆ C LO k* MInbox (69)-162782... Google Translate pixlr Google Maps Google Earth ufo Beat Maker - Make... Imported OFF snake - Google Sear... https://www.googl... Other Synthesis Combustion Double replacement 4 1.5 points 1 Use coefficients to balance the following equation: (if no coefficient is needed, use "1", do not leave any box blank!) 1 2 1 3 4 S 1.5 points Li2CO3-----> 1 MgCO3 + 2 MgF2+ LiF 5 9 7 8 00 9 Potassium Chlorate decomposes into potassium chloride and oxygen gas. How many grams of oxygen are produced when 8.40 grams of potassium chlorate decompos completely? Type your answer... 10 1.5 points 11 12 What type of chemical reaction does this equation represent? Fe2O3+ C --> CO + Fe C # $ 4 % 5 & 6 7 8 9 0 2 3
O Grades | S b ichigo kur x : Parameter TU myTU | To x Content E Course Se x O Pearson MX I Course Ho X https://op x i openvellum.ecollege.com/course.html?courseld=17268703&OpenVellumHMAC=67fa50d4f674a1edc9e106b6c87d58d0#10001 Part A A certain compound is made up of one carbon (C) atom, two chlorine (CI) atoms, and one oxygen (O) atom. What is the chemical formula of this compound? Vote: You will need the periodic table for this question. Express your answer as a chemical formula.
O Love Don't Change - You 41 X G Which coefficient will balance x G Which coefficient will balance x ass Connect assignn x mancedSequenceViewer/1541826?url=https%3A%2F%2Fe02711f5-1353-40b6-af9b-349f7ff846bd.sequences.api.brightspace.com O LogMeln123 O Microsoft Office 365 fo O K12 Customer Supp.. 6 Class Connect Oct 28 Class Connect assignment Tanyia Hawkins: Attempt 1 Question 1 (1 point) Which coefficient will balance the equation when inserted in the ? spot in the equation? 2C2H2 ? O2 => 4CO2 2H20 1 04 3,
5) If all the NaHCO3 in bag 2 reacted, calculate the number of moles of gas produced? tates) E Focus
Teacher's Aixtre 09 7. Mass of dry filter paper + benzoic acid 1315 8. Mass of recovered benzoic acid 315 2.9128-1D0128 Calculations Percent sand:.&oy 1o0 40.32 inen tel valne Percent benzoic acid: O.101 X100=10.O47 1. Calculate the percent of each component in the mixture. Show your calculations. 3.978 3.978 Percent NaCl: 100 2. Obtain the percent composition of the teacher's mixture. Calculate the percent error in your results. Show your calculations. JyoisSand % error: 40%-40.3al x100= 0.8 7 니0 a0Benzoic acid % error: NaCl % error: Analysis in the class received a sample of the same mixture, each team will not obtain th of reasons (hint: read the
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
My Cour req BQ eq q q eq X Macmilla X nb/ui/evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshot... Back 2/ OT Course M X moles ammonia Submit Answer Sections X References 14. Stoichiometry of Reactions: Gram/Mole: This is group attempt 1 of 10 HOMEW X Use the References to access Important values if needed for this question. According to the following reaction, how many moles of nitrogen monoxide will be formed upon the complete reaction of 27.9 grams of nitrogen gas with excess oxygen gas? nitrogen(g) + oxygen(g) →→→→nitrogen monoxide(g) moles nitrogen monoxide J = □ □ A 6 q MindTap X Autosaved at 5:51 PM MacBook Air Gatoms to According to the following reaction, how many moles of ammonia will be formed upon the complete reaction of 31.2 grams of ammonium chloride? ammonium chloride(aq) ammonla(g) + hydrochloric acid(aq) X Done M Ser Q M
8 = filled CHM-202 Lab 1 Solids and Solutions Rev 1 G6-2022 Results: 1. Models of Crystalline Unit Cells Atomic Radius (radius of styrofoam ball) Volume of one atom (one ball, 4/3r¹) Measured unit cell length (1) [1.3] No. Atoms per cell [1.3] Ratio of 1/r [1.3] Geometric unit cell length (1) [1.5a] Volume of atoms in cell [1.5c] Total 3 Volume of Unit Cell [1.5c] Percent vol filled [1.5d] Percent free space. [1.5d] I atom Simple Cubic SC 6.15mm 118 6.9 172 Raw Data (Temperature vs. Time) Trial Time CHM-202 Lab 2 Freering Point Depression Rev2 06-2022 232.6 Temp Time d= 6.9 r = 3.24 Sum v=172²³² Body Centered Cubic BCC 8 lan a atom 2.3 7.96 344 531.45 B. Cyclohexane Solutions (Trial 4 if needed) Temp Time (include units!) (include units!) Face Centered Cubic FCC (CCP) 10.8cm 4 atom 7/12 3.13 Temp 5.26 688 1259-73 Time the pieces are not Temp
BKARBZNJQ%252BrzGkQbk4B8Z22DHVNLWGT92Unrv1Vgd40x21Q4 Login Image result for uni. Image result for uni. 5 FLMS 6t Balance this equation... H2 + Cl2 --> HCI It is balanced H2 + Cl2 --> H
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
1. In your pharmacy you have a balance with a sensitive requirement of 7mg; 10,25,50 and 100ml graduated cylinder; and 1 oz apothecary and 4-ounce apothecary conical cylinder. What is the minimum measurable volume in ml using the graduated cylinder?a. 5b. 20c. 1d. 2