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?VwatermL%3DeTextbook and MediaHintSave for LaterAttempts: 3 of 15 usedSubmit Ansост14tvMacBook Air80888DDF1F2F3F4F5F6F7F8F9F10@232$47OC

Given: Intial concentration of HCl (C1) = 0.50 M Intial volume of HCl (V1) = 122.5 ml Final…

Answered: How many milliliters of water have to…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.22QAP

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A bottle of concentrated hydroiodic acid is 57% HI by weight and has a density of 1.70 g/mL. A solution of this strong and corrosive acid is made by adding exactly 10.0 mL to some water and diluting to 250.0 mL. If the information on the label is correct, what volume of 0.988 M NaOH is needed to neutralize the HI solution? Suggest an indicator for the titration.
Hydrazine, N2H4, can interact with water in two steps. N2H4(aq) + H2O() N2H5+(aq) + OH(aq) Kb1 = 8.5 107 N2H5+(aq) + H2O() N2H62+(aq) + OH(aq) Kb2 = 8.9 1016 (a) What is the concentration of OH, N2H5+ and N2H62+ in a 0.010M aqueous solution of hydrazine? (b) What is the pH of the 0.010M solution hydrazine?
. How is the strength of an acid related to the fact that a competition for protons exists in aqueous solution between water molecules and the anion of the acid?
You have a solution of the weak acid HA and add some HCl to it. What are the major species in the solution? What do you need to know to calculate the pH of the solution, and how would you use this information? How does the pH of the solution of just the HA compare with that of the final mixture? Explain.
V:YT نقطة واحدة is a group of materials or.. devices required to carry out . experiments apparatus labels carefully assistant هذا السؤال مطلوب öaalg äbäi Calculate the concentration of nitric acid solution with a volume of (2 ml) and a concentration (5M) from a * ? solution of a volume (5 ml) 4M 3M 2M 6M نقطة واحدة The bath contains. . that used in .boiling point experiment : II
How many milliliters of water have to be added to 143.8 mL of 0.25 M HCI to reduce the concentration to 0.10 M HCI? Vwater = mL eTextbook and Media Hint Save for Later Attempts: 0 of 2 used Submit Ans O Type here to search 10 insert @ %23 $ & * 4 7 8. 10 %3D Q W R PI A G K C V B NM pause alt alt ctri
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 10.00
1 Settings „l ? 9:57 AM • 97% kzb-vvdv-bir » Grace Dykstra is presenting TAM Mo Fa 2 H the amount of water added was 1000 mL instead. Would t V ז ןיידצל 1oODmL - LoNIcediud Lies solvent) concentrated than the initial KOOL-AID? Examples: Concentration Calculations Part A Determining Concentration from moles and V: (answers: 0.46 mel; 247 mol ; 0.658 ma) 1. Determine the molar concentration when 0.23 mol of sodium sulfate are dissolved in 500ml of water. G: lo00 0.50ol 0.a3 mol 0.50OL 0. a3 mol = 0.4b mol /L mol 0.500 L 1. 2. Determine the concentration when 1.20 moles of sodium hydroxide dissolves into 450 ml of water. 3. Determine the concentration of a Nacl solution if 25.0 g of sodium chloride is dissolved into 650 ml of water. Alyssa Khadija You Grac 22 others
. Calculate the moles of H+ delivered to eachsample based on your experimental dataand record these values in Data Table 2. 0.1M HCl = 0.1 moles HCl / 1 Liter solutionCalculate the moles of OH- in each sampleand record these values in Data Table 2. H+ + OH- H2O Calculate the moles of Ca2+ in each sampleand record these values in Data Table 2. Ca(OH)2 Ca2+ + 2OH24. Calculate the molar solubility of Ca(OH)2for each sample and record these values inData Table 1. Molar solubility = moles / Liter Sample 1 Sample 2 Sample 3 Mass of Erlenmeyer Flask 25.37 25.37 25.37 Mass of Erlenmeyer Flask + Calcium Hydroxide Solution (lime water) 28.18 28.21 28.28 Mass of Calcium Hydroxide Solution Volume of Ca(OH)2 Density = 1.000 g/mL Concentration of HCl (M) Initial HCl volume in Syringe 1.0ml 1.0ml 1.0ml Final HCl volume in Syringe .54ml .58ml .5ml Volume of HCl Delivered .46ml .42ml…
light data and DID NOT round any intermediate calculations. In a 3.8M aqueous solution of benzoic acid (C6H, CO₂H), what is the percentage of benzoic acid that is dissociated? You can find some data that is useful for solving this problem in the ALEKS Data resource. Round your answer to 2 significant digits. 7.0 % GEE ola
Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral Answer Bank H]= 1.0 x 10 pll=346 pOl - 541 OH |-26 x 10 pOll =831 pOll = 7.00 o|=98 x 10 " 1-63x 10 pll=10.38 I= 74 x 10 contectua help privecy polisy terma of uas
(t) Sodium hypochlorite, NaOCI, is the active ingredient in household bleach. What is the concentration of hypochloríte ion if 20. requires 28.30 mL of 0.500 M HCI to reach the equivalence point? O 1.21 M QUESTION 3 0.708 M 0.208 M 0.353 M Click Save and Submit to save and submit. Click Save All Answers to save all answers. mL of bleach MacBook Air 02 Save F4 F5 %24 4. DD F7 7. 00

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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