6) An analyst meanred the con entration acid in a solution uning two diferent indicators. lis results were an llowes: Mean [HCI]+ Shnd Dev. Indi calor A: 18 0.024677 0.0045 12 Indicator B: Z the di fterence between the tueo indicatrs figniticand at he 957. tonfiden ce lovel? 0.02407 FO.0032

Q: which indicator C methyl in the red)will b 1owi o0ing (choose either pheno shang Stro ong acid CHc.…

A: Indicators such as phenolphalein and methyl orange is used during titration to identify the…

Q: Q3) How many grams of CH3COONA must be added to 300 ml 0.01 M CH3COOH to produce a buffer solution…

A:

Q: The pH of an aqueous solution of 0.170 M sodium acetate, NaCH3COO, is | (Assume that Ka (HCH3COO) =…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: Indicators are acids or bases whose various protonated forms have different colors. The volume…

A: Acid is a substance that give hydrogen ions in aqueous solution and base is a substance that give…

Q: Criven kea= = 1.5 X 10-3 M Curen a Solution that is 0.265m malonic acid and 1.97 M Sodium malade ?…

A: From Henderson hasselbalch equation, we have pH = pKa + log [salt]/[acid]    ----(1) Given : Ka =…

Q: HIn is an indicator with a K, of 1 x 10. Its acid form, Hin, is yellow, while its base form, In , is…

A: Since the pH is 7. And pH = -log[H+ ] where [H+ ] = concentration of H+ ions  => 7 = -log[H+ ]…

Q: Calaulate the theoreti cal pH Valve when s.00ml of ol0oM Naolt is added to 5o.oml of a DI water b)…

A: Given, Volume of NaOH added = 5.00 ml = 0.005 L. Molarity of NaOH = 0.100 M Number of moles of NaOH…

Q: Date: Section: Report Sheet: pH: Measurement and Application. A: Determination of pH Using Acid-Base…

A: Acid-Base indicators shows different colours at a different pH range.

Q: . A certain indicator HIn has a pK, of 3.00 and a color change be- comes visible when 7.00% of the…

A:

Q: 2. How many milliliters of 0.100M NaOH are needed to titraté 35.0 mL of 0.075 M HNO,?

A: Titration is a type of quantitative analysis in which the quantity of one substance can be find by…

Q: What is the pH of a solution of 2.0 x 10–8M Ca(OH),?What color would you expect it to have with…

A:

Q: Which of the following species is amphoteric? O co,? O HF O NHA O HPO42 None of the above are…

A: Amphoteric species are those which can act as both Brønsted -Lowry acid and Brønsted -Lowry base.…

Q: Calculate the concentrations of each of the ions in 0.37 M (NH4)2SO4. NH4*: i M So,?:

A:

Q: re insmucted to make 400 nod 22 soln to mztch the pt of the first and Li6 Mnimc acid. Whet volume of…

A:

Q: 0.64m to in

A: Given conversion,     0.64m to in

Q: 6) a solution Boric Acid : %3D Calculate PH(? >eguilibri ?) um constant

A: H3BO3  + H2O  → H3O+  +  H2BO3- Given that,[H3BO3] = 0.200 M [H2BO3-] = [H3O+] = 1x10-5 M Calculate…

Q: Calculate the concentration to the correct number of HO JAOH) significant figures for solutions with…

A:

Q: A 0.01M solution of carbonic acid dissociates into 0.000066 moles HCO3- /L at equilibrium. What is…

A:

Q: 7-)

A:

Q: The pH of an aqueous solution of 0.516 M acetylsalicylic acid (aspirin), ( K₂ (HC9H7O4) = 3.00 ×…

A:

Q: If the Ka of a monoprotic weak acid is 5.9 x 10-6, what is the pH of a 0.21 M solution of this acid?…

A: Answer:  Here we have to calculate the PH of a monoprotic weak acid which has Ka=5.9×10-6

Q: 2) CalculatethepHduringthetitrationof15.00mLof0.1000MSr(OH)2with0.1000MHBr solution after 29.00 mLs…

A: Molarity of Sr(OH)2 = 0.1 M volume of Sr(OH)2 = 15 mLMolarity of HBr= 0.1 M volume of HBr = 29 mLBy…

Q: Calculate the pH value when titrated between 25 ml of weak acid HA with concentration of 0.3 (104 x…

A:

Q: 1. At 25°C, a 50mL solution is found to contain 20% by mass acetic acid (CH3COOH). The density of…

A:

Q: Choose the correct order based on the given criterion per line for comparative 1.5 M aqueous…

A: ->Acids has pH less than 7 , stronger acid has less pH. -> Base has pH greater than 7 ,…

Q: Q2} In the standardization of NaOH with 0.243 g of H,C,0,.2H,0 required 39.82 ml of 0.09M of the…

A: Use neutralisation equation  Mole× nfactor= M1V1(litre)

Q: Show complete solutions for 2och poblem. A seientiet tasked to extract Fe from was an suspenion that…

A: a. reactions I Fe2O3 (aq) + 3SO3 (g) --> Fe2(SO4)3 (suspension) II Fe2(SO4)3 (suspension)  +…

Q: the cancentration of acetic acid Calculate wnen it Oi145m Noao solution o titrate 34.95 mL of aur…

A: During titration, at the equivalence point, No of moles of acid = No of moles of base As Molarity =…

Q: True or False. An indicator where HIn is orange and In- is green will produce an orange solution at…

A: Given: An indicator where HIn is orange and In- is green will produce an orange solution at low pH.…

Q: of 45 > Assuming equal concentrations, arrange these solutions by pH. Highest pH HCN(aq) HI(aq)…

A:

Q: Galaulate the PH and the Pott FOR 9.6M solution OF MH₂ инз K. FOR NH3=1.97105

A: Here we are required to find the pOH and pH of 0.6M of ammonia solution

Q: (a) Calculate the percent ionization of 0.00610 M propionic acid (Ka = 1.3e-05). % ionization = 4.51…

A: Answer:On adding in water, weak electrolyte dissociates partially and an equilibrium between its…

Q: An aqueous solution has An hydroxide ion concentration of IE-IM (10-'m). What is the hydronium ion…

A:

Q: What is the concentration of it if a solution has a starting concentration of 0.100 M H₂C₂O4 and…

A:

Q: ) Calculate the percent ionization of 0.00780 M hydrocyanic acid (Ka = 4.9e-10). % ionization =  %…

A: Ka for HCN= 4.9 x 10-10

Q: Part A Abeaker with 1.10w10 ml of an aceic acid bufer with a pt of 5.000 is sing on a benchtop. The…

A:

Q: >Determine the PH Of the solutions:

A:

Q: expline buffer systems and acid-base titration curves    defthe Arrhenius, Bronsted-Lowry, and…

A: Note: As per guidelines can answer the first question. I was given an explanation for buffer systems…

Q: 20 ml. of 0.5 N CH3COOH is diluted with water to 100 ml. the resulted solution is titreted with 0.5N…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: balamıd the Solution. Show each step involud in balaneng the reachon deanly. bedox reaction thaT…

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Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Indicator Acid Range Color…

A: we have to find which indicator can be used

Q: C6H₂O₂ + H₂O = HC6H₂O₂ + OH- K₂ = 1.7 x 10-5 for sorbic acid, HC6H7O₂ a The potassium sorbate…

A:

Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Acid Color- Indicator Range…

A: NH3 + HCl ---> NH4Cl  NH4Cl is an acidic salts which pH<7

Q: A solution contains0.023Macetic acid and0.0.018Msodium acetate. The Ka for acetic acid is1.8×10−5.…

A: Molarity of acetic acid = 0.023 M Molarity of sodium acetate = 0.018 M Ka = 1.8 ×10-5

Q: added to colon indicat or it changes When acid purple to it changes From Purpie to the indicator.…

A: The given indicator has blue color acidic, HIn, and red color basic In-. The reaction when base is…

Q: I Review I Constants I P III LI IS LILI alivin, ti e connceIILI aliun UI Dase iS KNOWN aliu Can Ue…

A:

Q: Which indicator using in complexometeric and what the pH. Eriochromo red T and pH range is 8-10.…

A: Answer of the question given below,