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We want to make 400mL of 1x running buffer from the 20x stock. You will add __(ANSWER)___ mL of 20x stock to __(ANSWER)__mL water
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- A 10.0 mL sample of H₂SO4 is titrated with 0.685 M NaOH. The initial buret volume is 0.10 mL and the final buret volume is 28.92 mL. What is the concentration (mol/L) of the H₂SO4 sample? Answer to 3 decimal places with no units. Your Answer: AnswerA 17.5 mL sample of an acetic acid (CH3CO2H) solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was __________ M.Profiles Tab Window Help p Cengage Learning XAM HOMEWORK Module 9 Back APR 17 html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786068&snapshotld-33225... X Submit Answer 18. Oxidation-Reduction Titrations: This is group attempt 1 of 10 MindTap - Cengage Learning X Use the References to access important values if needed for this question. The concentration of H₂C₂O4 in a solution is determined by titrating it with a 0.1796 M permanganate solution. The balanced net ionic equation for the reaction is: tv References 2MnO4 (aq) + 5H₂C₂O4(aq) + 6H30*(aq) → 2Mn²+ (aq) + 10CO₂(g) + 14H₂O(1) - In one experiment, 23.66 mL of the 0.1796 M permanganate solution is required to react completely with 30.00 mL of the H₂C2₂04 solution. Calculate the concentration of the H₂C₂O4 solution. N Autosaved at 10:58 PM I What volume of a 0.352 M hyd X ☎ Q 8 C M A W P U Mon Apr 17 * + Next ☐ X
- A 3.458 g sample of KHP, a monoprotic acid, requires 45.71 mL of a KOH solution to reach the endpoint. What is the concentration of the KOH solution? The molar mass of KHP is 204.22 g/mol. ______________ M KOH (Enter your answer in scientific notation)3. Sprite does not contain phosphoric acid. Only sodas that are dark in color contain this acid. sodas such as Sprite contain citric acid, sugar, and carbonaled water Design a simple experiment to determine the concentration of citric acid in SpriteProvide a de tailed procedureThis is about determinition of acid content in vinegar through titration, please answer the questions. Please answer only the items nummber 4-5. i only put other questions for guide. 1. What is the purpose of standardization? 2. What is the primary standard used (name and formula)? ANS: KHP 3. Suppose that the KHP is not completely dry. Will the reported molar concentration of the sodium hydroxide solution be higher, lower, or unaffected? Explain. 4. In preparing the buret for titration the final rinse is with the NaOH titrant rather than with distilled water. Explain. 5. The procedure suggests the addition of only 2 drops of phenolphthalein. What will be the effect to the analysis if larger amount of phenolphthalein is added?
- Question 1 of 15 Submit A 15.0 mL solution of Ba(OH)2 is neutralized with 30.5 mL of 0.200 M HCI. What is the concentration of the original Ba(OH)2 solution? м 1 2 3 4 6. C 7 8 +/- х 100 Tap here or pull up for additional resources LOThank you! Data included in picture! No hand drawn graphs!! Determine the equivalence point of sudsy ammonia/citric acid reaction by graphing the titration data (pH vs volume citric acid) from Table 1: No Indicator Data Table. Draw a green arrow (use ‘Insert Shape’ feature to do this once you have copied your graph from Excel) on your graph indicating the data point that represents your equivalence point. Use a graphing software to create the x-y scatter plot showing the pH of the experimental solution as a function of the volume of citric acid (the titrant) added for the titration in Part 4. On your graph, the x-axis should be the volume of citric acid added (mL), and the y-axis should be the pH of the experimental solution at that volume. Do NOT connect your points; no trend line needed and make sure to: · Label the axes including the units in parentheses. · Include a figure legend (text below the graph) explaining the data in your graph that includes the arrow…How many milliliters of water have to be added to 122.5 mL of 0.50 M HCl to reduce the concentration to 0.10 M HCI? Vwater mL %3D eTextbook and Media Hint Save for Later Attempts: 3 of 15 used Submit Ans ост 14 tv MacBook Air 80 888 DD F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 @ 23 2$ 4 7 OC
- Determine the initial concentrations of the species below, after the solutions are mixed. Volume0.0350 MKMnO4(mL) Volume0.0650 MH2C2O4(mL) VolumeH2O(mL) InitialConcentrationKMnO4(M) InitialConcentrationH2C2O4(M) (3 significant figures) (3 significant figures) 1.00 1.00 18.00 2.00 2.00 16.00 3.00 3.00 14.00 4.00 4.00 12.00 5.00 5.00 10.00We want to make 400 ml of 1 d running buffer from the 20x stock , you will add ——-ml Of 20c stock to ——- ml waterQuestion 18 of 30 Submit A 20.0 mL solution of NaOH is neutralized with 26.3 mL of 0.200 M HBr. What is the concentration of the original NaOH solution? | M 1 4 6. C 7 +/- x 10 0 Tap here or pull up for additional resources 3. LO 00