Given the equation and following values, what is the concentration of the acid? (With solution) (10*Vb)/Ma Where, Vb = final - Va Va = 10+phenolph Values: Initial Volume of Analyte: 10.150 mL Initial Volume of Titrant: 50.000 mL Final Volume of Analyte: 11.620 mL Final Volume of Titrant: 48.530 mL
Q: A solution is prepared at 25 °C that is initially 0.49 M in diethylamine ((C,Hs),NH), promide…
A: Given-> Molarity of ((C2H5)2NH)) = 0.49 M Kb = 1.3 × 10-3 ((C2H5)2NH2Br) = 0.36 M
Q: Sulfuric acid is essential to dozens of important industries from steelmaking to plastics and…
A: We will first calculate the moles of SO2 produced. From that only we can calculate the mass of…
Q: What I Have Learned Activity 3.6: Calculate the following concentration. 1. What is the…
A:
Q: HNO3 + H2O —> H3O+ + NO3 1. Which reactant loses a proton? _____________________________________ 2.…
A:
Q: Chlorine in wastewater could be digested, isolated and converted to HCl and could be titrated with…
A: Wate water contains many compounds which contaminate it. But these can be removed by many chemical…
Q: A rock formed with 1000 atoms of a radioactive parent element, but only contains 250 radioactive…
A: Given, A rock formed with 1000 atoms of a radioactive parent element, but only contains 250…
Q: A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16 g/mol) and…
A:
Q: Question 6 The best indicator in redox titration are those which udergoes Redox reaction in…
A:
Q: The concentration of oxalate ion (C20,2-) in a sample can be determined by titration with a solution…
A: Given: Volume of oxalate solution = 30.00 mL Volume of MnO4- solution = 21.93 mL Molarity of MnO4-…
Q: The pressure on a sample of an ideal gas is increased from 0.941 atm to 3.55 atm at constant…
A: Here given--- Initial Pressure (P1) = 0.941 atm Initial volume (V1) = 482 mL = 0.482 L Final…
Q: 82. Aqueous solutions of silver nitrate and potassium bromide react in a precipitation reaction to…
A: In an ionic equation, the chemical species which are present in aqueous solutions are written as…
Q: It was noted that H2O2 and NaOH was added to Cr3+ ion to test. What is responsible for its yellow…
A:
Q: What volume of 0.500 M HNO2 should be added to 500 mL of 0.750 M KNO2, so that the pH of the…
A:
Q: A mixture of species of A, B, and C is injected into a liquid chromatographic column with length of…
A: Given,Length of the column = 20.0 cmSpecies Retention time min…
Q: Suppose 50.0 g of solid bromine at its melting point of -7.2oC is heated, eventually producing…
A: We need to find which of the given steps will need maximum heat energy
Q: A sample of krypton gas occupies 95.0 mL at 0.500 atm. If the temperature remained constant, what…
A:
Q: + CH3NO2 NAOH 1) LDA, THE 2) CH3I EtO OEt 1) NaOEt, E1OH LDA 2) CH3CH2B H30+ H20 A
A:
Q: A cell is constructed according to the cell diagram below. If the measured potential is 1.00 V, what…
A: Here we are required to find the pH of the dichromate cell.
Q: A. Determination of Solubility and Ksp 1. Consider 50 mL of a saturated solution of PbC12 at 250C.…
A: Given : Volume of saturated solution = 50 ml Mass of solid PbCl2 obtained = 0.54 g
Q: Complete and Balance The following equation, in the case that the reaction doesnt occur write "NR"…
A: Given unbalanced and incomplete reaction is : MnO4- + OH- + SO32- --------------> ? Complete…
Q: Question 3 What variable is correlated in the titration based on Nernst equation? Potential energy…
A: Nernst Equation Ecell = potential energy of the cell E°cell = standard potential energy of the…
Q: Explain per step. Given the MS spectra below, show the fragmentation pattern responsible for m/z…
A: Triethylamine, (CH3CH2)3N has a molar mass of 101 u.
Q: A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16 g/mol) and…
A: Given that A solution prepared by dissolving 25.8 mg of benzene (78.11 g/mol) in hexane (86.16…
Q: an analytical separation technique based in the large differences in solubility between interference…
A: Correct answer is (4)✓ Separation by precipitation.Separations by precipitation require large…
Q: Which of the following is not standardized against KHP? Section а. NH3 b. NaOH с. Н.SO4
A: KHP ( Potassium hydrogen pthalate ) is acidic in nature , so it can be used to standardize basic…
Q: 1. In this chemical equation, 2Mg(s) + O2(g) —> 2MgO(s) , what is being oxidized? 2. In this…
A: To determine which species is oxidised and which is reduced.
Q: 5. You studied the chemical reaction, 2NO2(g) → 2NO(g) + O2(g), at 25°C by monitoring the…
A: From this plot , we would predict order of reaction and use its equation to calculate rate constant.…
Q: 3 2 PPM OH CI CH2-CH3 CH3-CH2-CH2-CH-OH CH3-CH-CH2-CH3 CH3-C CH2-CH3 CH3 CI
A:
Q: Chemistry Draw the structure of the enol form of the molecule below: .C. H. H. 9.
A:
Q: what if k= 39.10 amu? what would my empirical and molecular formula be>
A:
Q: Br2(g) 13. At 900 K, the following reaction 2 SO2 + O2 has Kp = 0.34: In an equilibrium mixture, the…
A: At equilibrium rate of forward reaction is equal to rate of backward reaction.
Q: The concentration of an ethylammonium chloride solution (CHNHaCI) is 0.58 M. When dissolved in…
A:
Q: Chemical Equation: NO2 + H2O → HNO2 + HNO3 1. Compute for the ΔH° rxn of the equation:…
A:
Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C 1.972 grams…
A: Given :- Initial temperature of water = 24.8° C Volume of water = 50 mL Mass of metal = 1.972…
Q: 9. Bond of this energy carrier of cells is broken through what?
A: Please find the answer in step 2. Thank you.
Q: Reactivity factor of oxidizing agent in the balanced redox equation: 16H+ + 2TcO4¯ + 3Sn2+ --->…
A: Substance which undergoes reduction is known as oxidizing agent. And loss of electrons is called…
Q: (Q84) With respect to the following unbalanced redox equation that takes place in a basic…
A: The given unbalanced redox reaction is: Zn(s)+NO3-aq→ZnOH42-aq+NH3g
Q: Based on this acid-base reaction as written below, which of the following is correct about the roles…
A: We need to predict correct statement based on the given acid base reaction
Q: (8) Discuss the three main processes of interactions of electrons with matter.
A: Charged particles interact with matter via elastic and inelastic collisions with atomic electrons…
Q: A gas mixture contains 0.700 mol of N2, 0.350 mol of H2, and 0.100 mol of CH4. What is the mole…
A: Given, A gas mixture contains 0.700 mol of N2, 0.350 mol of H2, and 0.100 mol of CH4. the mole…
Q: Question 1 KCro, which is an yellow solution was used as a titrant to determine the concentration of…
A: According to the guidelines we are allowed to solve only one question at a time . Ask others…
Q: Identify the spectator ions (if any) when aqueous solutions of the following are mixed: AGNO3 and…
A: Given-> AgNO3 + NaCl --->
Q: The following information is given for mercury at I atm: AHg(356.60°C) = 295.6 J/g A(-39.00°C) -…
A:
Q: Write the IUPAC name of the following. Don’t use CIS/TRANS or E/Z in naming the compounds.
A:
Q: STANDARDIZE THE Na,$;O3.5H;O WITH KIO,. Weight of KIO, = 0.5325 g V of KIO, = 250 mL N KIO, V KIO,…
A: Given:
Q: 60. Silicon has three naturally occurring isotopes (Si-28, Si-29, and Si-30). The mass and natural…
A: For isotopes , total abundance of all isotope in total is 100% . So we can use given abundance of…
Q: A solution of hydrazoic acid, HN3 (43.03 mg/mmol), a colorless, volatile, and explosive liquid, was…
A:
Q: 78. Identify the spectator ions in this ionic equation: 2 NH,* (aq) + S²- (aq) + Zn²* (aq) + 2 CIO,…
A: In this question we have to tell the spectator ions in this ionic equation.
Q: How many milliliters of a solution that is 10.30% (w/w) HCI with a density of 1.1454 g/ail. shoold…
A:
Q: The following information is given for mercury at 1 atm: AHg (356.60°C) 295.6 J/g Alla(-39.00°C)…
A: Heat is calculated using three steps : 1.) Heating of solid mercury from -53.00°C till melting…
Given the equation and following values, what is the concentration of the acid? (With solution)
(10*Vb)/Ma
Where,
Vb = final - Va
Va = 10+phenolph
Values:
Initial Volume of Analyte: 10.150 mL
Initial Volume of Titrant: 50.000 mL
Final Volume of Analyte: 11.620 mL
Final Volume of Titrant: 48.530 mL
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
- A solution of HCl was titrated against sodium carbonate. What is the titer for Trial 1 in the given data? T2 0.3562 0.3479 0.3042 Weight (g) Initial V (ml) 0.80 1.60 35.20 36.70 39.80 Final V (ml) Vol HCI used (ml) 35.10 N of HC (eq/L) 0.1954 0.1870 Average N of HCl (eq/L) AQuestions 30-35 refer to the same weak acid/strong base (WA/SB) titration. Prior to the beginning of the titration, there were 0.0090 moles of hypobromous acid present in the flask. The Ką of hypobromous acid is 2.8 x 10-9. (Q30) A 30.00 mL solution of 0.300 M hypobromous acid (HBRO) is being titrated with a solution that is 0.600 M in lithium hydroxide (LIOH). What is the initial solution pH (i.e., when 0.00 mL of titrant have been added)?A 0.1510 g KHP (MW = 204.22 g/mol) sample required a volume of 57.04 mL of NaOH solution to reach a phenolphthalein end point. Calculate the molarity of NaOH titrant. (A) 0.02593 М (В) 0.01012 М 0.006481 M D) 0.01296 M
- 2 Match the following acid-base titration plots with the correct titrant and sample. Veq = 20.00 mL mea a. b. Hd (1) Titrant: Strong Acid; Sample: Strong Base (2) Titrant: Strong Base; Sample: Strong Acid (3) Titrant: Strong Acid; Sample: Weak Base (4) Titrant: Strong Base; Sample: Weak Acid 3219 11 10 9 8 7 6 5 4 3 2 1 0 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 0 5 5 10 10 15 Volume 15 Volume 20 20 25 25 30 30A 50.00 (±0.02) mL portion of an HCl solution required 29.71(±0.02) mL of 0.01963(±0.0032) M Ba(OH)2 to reach an end point with bromocresol green indicator. ? of HCL = 29.71?? ? 0.01963 ???? ??(??)2 ?? ? 2 ???? ??? ???? ??(??)2/ 50.00?? = 0.02333 ? Calculate the uncertainty of the result (absolute error).Calculate the coefficient of variation for the result.A student carries out a titration to determine the molar mass and structure of a weak acid A. The student follows the method below. Dissolve a weighed mass of A in 100 cm3 of distilled water and make the solution up to 250 cm in a beaker. Add the solution of A to a burette. Titrate the solution of A with a standard solution of sodium hydroxide, NAOH. (a) What is meant by the term standard solution? (b) Sodium hydroxide is an alkali. What is meant by the term alkali? (c) The student carries out a trial, followed by three further titrations. The diagram shows the initial and final burette readings for the three further titrations. The student measures all burette readings to the nearest 0.05 cm3. Titration 1 Titration 2 Titration 3 Initial reading Final reading Initial reading Final reading Initial reading Final reading 27
- titration acid with 18ml from mixture (NaOH and Na2CO3) when added ph.ph as indicator Consumed volume from 0.5N HCI is 15.1 ml while when added M.O as indicator the Consumed volume 8.9 ml. what is the concentration for each component in ppm. * (Awt Na=23, O=16, C=12, H=1)6) Bu analyst in a solution uning two dierent indicators. lis results were an /lowes : meanired the con cen tration n aid Mean [HCI]+ Stand Dev. 002467テ 0.0045 Indi cator A: 18 12 Indicator B: 0-02407 チ0.0032 Is the difference between te tueo indican Ys figniticand at he 95%. confiden ce loue/?Volume vinegar used (mL)= 5.00 mL % from labe= l5 % Molarity of NaOH = 0.0976 M Titration volume measurements Trial 1 Trial 2 Trial 3 Inital volume NaOH (mL) 0.69 0.86 0.16 Final volume NaOH (mL) 43.47 43.36 43.03 Volume NaOH used (mL) Average volume NaOH used (mL) Average volume NaOH used (L) Moles NaOH used (from avg volume) Moles CH3COOH Molarity CH3COOH (mol/L) Mass CH3COOH (g) % (m/v) CH3COOH in vinegar
- Na2CO3 served as the primary standard in a titration experiment. Find the molarity of the titrant given the following data in 3 decimal places. Show solutions Primary Standard Used: Na2CO3Formula Mass of 1º standard: 105.99 g/mol% purity of 1º standard: 95% Trial 1 2 3 1º Standard weight, g 0.1005 0.1001 0.0997 Net volume of HCl, mL 9.30 9.00 8.90 Molarity of HCl X1 X2 X3What weight of sample should be taken for analysis sos that the volume of 0.1074N NaOH used for titration equals the percentage of potassium acid phthalate (KHC8H4O4) in the sample (Answer 2,193 g)Data Table: (include units!) Unknown Acid # Your NaOH concentration 0.10 Trial 1 Trial 2 Volume of Acid (in mL) 17ml 15ml Initial Buret reading for 15.00ml 0.00ml your NaOH Final Buret reading for 39.06ml 21.23ml your NaOH Total volume of NaOH 0.024L 0.021L used in titration