Data Table Test mL of mL of pH tube HOAc NaOAc Trial Trial pH HOAC pH Average Millimoles Millimoles pKa NaOAc 1 2 1 1.00 9.00 5.0 5.0 2 3.00 7.00 6.0 6.0 3 5.00 5.00 5.0 5.0 4 7.00 3.00 5.0 6.0 5 9.00 1.00 5.0 6.0 Average calculated pKa Actual pKa from textbook
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- Help 100% 47 T. "ublic Health Ch HSC 258 - Major Projec x MindTap - Cengage Lea X C The Illustration To T =55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search t Referonces Use the References to access important values if needed for this question. For the following reaction, 50.4 grams of sulfur dioxide are allowed to react with 17.9 grams of water. sulfur dioxide (g) + water (I) sulfurous acid (H2SO3) (g) grams What is the maximum amount of sulfurous acid (H,SO3) that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit AnswerSample IdentificationCodeConcentration of M%TA=2-log(%T)Q50004.00 x 10-417.90.75Q50013.20 x 10-425.00.6Q50022.40 x 10-435.70.46Q50031.60 x 10-450.20.3Q50048.000 x 10-570.80.15SampleIdentificationCode%TA=2-log(%T)AMQ0210150143.70.359518560.360.000192Q0210150244.10.355561410.360.00018Q0210150343.80.358525890.360.00017Q0210150444.10.355561410.360.00018Q0210150543.80.358525890.360.00017What was their percent error?43%Does Batch 021015 meet legal requirements?No, because it is not between 2.85 * 10(4) and 3.15 * 10(4)Well #DropsBluedye1234567891012345678910Drops 9Distilled water876543210Concne 0.26tration0.52Test Tube #0.781.041.3Solutions3Concentration (M)2.082.32.6Concentration (ppm)1:1 dilution11.82Starting Dilution21.562:1 dilution0A.Zero standard0Was your calibration curve as linear as you expected?B.Did you experience any “drift†of the resistance readings?C.What is the equation of your best-fit line?D.What commercial drink did you analyze?E.Assuming…nt X A ALEKS Bb in their s X Yuzu Re X U Labflow x O COVID- e Daily Cri X A Among X A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEliJ_PZNhkTHE Bb Blackboard O Mail - Ava Schied... O UAConnect Biology Syllabus U Labflow - Courses V Explore - HogSync ? PackE O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonia (NH3) chemically reacts with oxygen gas (02) to produce nitric oxide (NO) and water (H,O). What mass of nitric oxide is produced by the reaction of 4.8 g of oxygen gas? Round your answer to 2 significant digits. Explanation Check O 2020 McGraw-Hill E MacBook Pro
- Youlube G how to get clean after period X A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lijkPWvZoZLqKt1FLIlq7wcPWKzBYGfE9IMFjvvh3x_rz6naF9YTN80Bms6y067EgyeOUwHKJOrzx. O STOICHIOMETRY Calculating and using the molar mass of diatomic elements Iffe A chemist measures the amount of nitrogen gas produced during an experiment. She finds that 75.5 g of nitrogen gas is produced. Calculate the number of moles of nitrogen gas produced. Round your answer to 3 significant digits. mol Explanation Check © 2021 McGraw-Hill Education. All Riahts Reserved. Terms of Use I Privacy Acce étv MacBook Air IIA ALEKS - Itt. X Documents X M Direct PLUS X FSA Aid Summa X SA Account DE X O Big Time R X G types of ph x i www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lijkPWvZoZLqKt1FLlq7wcPWKzBYGFE9IMFjNv26NxcUIFt8F81Y80MQxnZhc7Hg9N2Qzofv. O MATTER Calculating volume by combining the volume of simple shapes - Iffat A chemistry student in lab needs to fill a temperature-control tank with water. The tank measures 21.0 cm long by 18.0 cm wide by 6.0 cm deep. In addition, as shown in the sketch below, the student needs to allow 2.0 cm between the top of the tank and the top of the water, and a round-bottom flask with a diameter of 3.5 cm will be just barely submerged in the water. Calculate the volume of water in liters which the student needs. Round your answer to the nearest 0.01 L. 2 cm flask water Explanation Check © 2021 McGraw-Hill Education. All Riahts Reserved. Terms of Use | Privacy | c étv 6. MooRool Air(9.29 × 105/8)-20.81 = with correct sig figs
- If the experiment was repeated with the same mass of Fe(s) instead of Mg(s), and all others parameters constant, the calculated ngas will _______. decrease increase indeterminate still be the same Overview of the experiment:Average Volume of NaOH used: 16.3mL +16.3ml + 16.1ml + 16.3mL +16.1mL V. average = 16.22mL NaOHag) Uncertainty on average volume: 0.05+0.05 +0.05 + 0.05 + 0.05 AUerage = 0.05mL Final answer: 16.22 + 0.05mL Molar Concentration of HClag: Reaction Equation HCl(aq) - NaOH aq) - NaCl aq) – H2O() OH sa = 16. 22ml x - 1000mlLecture X zm CHM12 x Assign X ChatGP X Cedxb Home xb Answer X M Inbox ( X M Inbox ( X Google x | ← → Cmoodle.uog.edu.gy/mod/quiz/attempt.php?attempt=143670&cmid=59476 M Gmail YouTube My courses 15 Google Calendar Periodic table - Cre... AccessPharmacy -... Cart Maison Fran... Exploring the Impa... 25:00 - Time to foc... UG_MOODLE 2023 2024 Home Dashboard My courses Search Question 11 Not yet answered Marked out of 1.00 Flag question OH HO CH₂ Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine (PEH+) has a pKa = 5.5. At a physiological pH of 7.4. What is the ratio of concentrations, [PE]/[PEH+]? O a. 79 O b. 0.14 ○ c. 21 O d. 6.7 ○ ○ e. 0.01 Clear my choice ZM ? = ☑ - 0 В >> All Bookmarks Quiz navigation 2 3 5 6 15 BC 10 12 13 14 Finish attempt... 10:49 AM 4/26/2024
- I 596420-7 x The impo X IG what ma X H PAP Cher X Qchapter x ぐ -> b ar-2903012.agilixbuzz.com/student/135113422/activity/9ff34d34-df47-4fas022 Mastery Assess It 7 PAP Chemistry-2903012-42100P-1/ Stoichiometry/Lesson 107 12. The combustion of glucose is represented by the following balanced equation: CGH12O6+6 0, 6 H20+6CO2. Which reactant is the limiting reagent if there is 1 gram of both 0, Hy06 and 0,7 O a. CgHy06 O b. H20 O c. 0, Od. CO,(129) ALEKS: Calculating x + X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3JH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInCwZsOvg6oljUPZmqCsVfxIjXe3ye87. ☆ 17.4 Solubility and...18.3 Gibbs Free E.. 5.3 Enthalples of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... A ALEKS-Lara Althawadi X C calculating the solubility of an X esc E O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... sp Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0150M CoBr₂ solution. You'll find K, data in the ALEKS Data tab. Round both of your answers to 2 significant digits. 0- solubility in pure water: solubility in 0.0150 M CoBry solution: Explanation 30 Methods for Measuring the pH of an Aqueous Slide 28 of 104 Notes Q A Z Check 2 Comments 9 == W Click to add notes S 3 C с E D 4 C R P -111+ 00 0° F 0.9 0x0 5 G Search or type URL X T 63% X EX G 6 B Y 3 010 7 H ☆ Ⓒ2022 McGraw Hill LLC. All Rights…Was the gradual color change observed when the sodium thiosulfate (Na2S2O3) crystal was added to the aqueous solution of KI/12 in Station Cevidence of a chemical or physical change?