A solution is made by adding Ca(OCI), to water to yield a concentration of U.01 M. Using the algebraic approximation method, (a) What is the pH of the solution if activity corrections are ignored?

Q: [Ca(CN), complex K, =6.03 × 108 at 25 °C. For the aqueous Suppose equal volumes of 0.0080M Cd(NO,,…

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Q: Using activities, calculate the pH of a solution containing 0.015 M HCI, 0.036 M HCI and 0.050 M…

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Q: Two aliquot of a water sample is titrated against a strong acid using phenolphthalein and…

A: In the presence of phenolphthalein and bromocresol green, the total alkalinity is determined and…

Q: Write a molecular, full ion and effective ion equation of the reaction involving aqueous solutions…

A: We need to write balanced molecular, ionic and net ionic equation for Potassium carbonate in aqueous…

Q: What volume of 0.12M HCN and 0.13M CN- would be required prepare 500mL of pH =9 buffer? The pKa of…

A: Given data,Molarity of HCN=0.12MVolume of CN-=0.13MVolume of buffer=500mLpH=9pKa=9.21

Q: Complete the mass balance expression for a saturated solution of Ag2CO3. Ignore any subsequent…

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Q: Calculate the concentration of I0, in a 4.24 mM Pb(NO, ), solution saturated with Ph(10, ),. The Ke…

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Q: onsider a solution

A: When we talk about activity coefficient it means we see the effects of electrolytes on chemical…

Q: The solubility of CaF, in water at 25 °C is measured to be 0.017 Use this information to calculate…

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Q: |How does the solubility of AgBr in 1.0 M NH, compare with its solubility in 1.0 M hypo? K, of…

A: AgBr in ammonia, forms a complex Ag(NH3)2+, with the formation constant 1.7×107.   AgBr in hypo…

Q: Suppose that MgBr2 dissolves to give Mg2 and Br. Write a charge balance for this aqueous solution.

A: Given that MgBr2 dissolves to give Mg2+ ion and Br- ion , Here we have to write a charge balance for…

Q: (b) In the pH metric titration, calomel and glass electrodes are used for measuring. What are the…

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Q: 500ml of a 0.1M sodium phosphate buffer with pka of 7.21is diluted. Calculate the pH of of the…

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Q: 1. One of the big differences between "P-chem" standard state and "Biochem" standard state is the…

A: Since you have asked multiple question, we will solve the first question for you.if you want any…

Q: A 2.300 g sample of a material containing Na,CO, and NaHCO, is dissolved in water, phenolphthalein…

A: The equivalence point of the titration of acid and base is predicted by the indicators. Complete…

Q: The landfill manager suggested using H2CO3 with Na2CO3 as a buffer to minimize pH changes. Do you…

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Q: AgI ⇌ Ag+ +I- what will happen to the solubility of the salt if the solvent is at pH at 4.5 what…

A: The salt that contains a conjugate base of a weak acid becomes more soluble as the acidity of the…

Q: If 175 mL of a 0.0208 M AgNO3 solution is added to a 250 mL 0.0380 M K2CrO4, will Ag+ precipitiate…

A: Dissociation of Ag2CrO4 is given. Ksp value for the given reaction is taken as 1.1×10-12.

Q: Write a balanced net ionic equation to show why the solubility of CoCO3 (s) increases in the…

A: We will Write a balanced net ionic equation to show why the solubility of CoCO3 (s) increases in the…

Q: What happens when too much NaSCN is prepared in solution of mixtures of standard solutions of…

A: Fe3+ (from Fe(NO3)3 and SCN- ions (from NaSCN) react to form a complex.

Q: A chemist titrates 210.0 mL of a 0.1055M hypochlorous acid (HCIO) solution with 0.3543M KOH solution…

A: Reaction between HClO and KOH is shown below: HClO(aq)+KOH(aq)→KOCl(aq)+H2O(l) According to reaction…

Q: Using the concentrations 0.100M and 0.1766M, and the pKa of 3.752, what is the theoretical pH of a…

A: pKa = 3.752

Q: Consider two solutions: A) 0.020 M KCI and B) 0.020 M in MgSOa. The activity coefficient of OH¯ will…

A: Given: Molarity of KCl = 0.020M Molarity of MgSO4 = 0.020M

Q: Is Ag2SO is added to water ,the salt will be?. Soulable or insoulable? Explain why?

A: Solubility rules- Compound containing sulfate ions are generally soluble. Exception- Sr2+ , Ba2+,…

Q: The landfill manager suggested using HI with NaI as a buffer to minimize pH changes. Do you agree…

A: A buffer solution is a solution whose pH does not change by adding small amount of acid and base.

Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.425 M HCl.…

A: Given: Volume of C₅H₅N = 75.0 mL Concentration of C₅H₅N = 0.350 M Volume of HCl = 100.0 mL…

Q: A 50-mL solution of 0.5005 N standard NaOH was added to a 0.9250-g sample of Aspirin and was boiled…

A: Neutralization Reaction: When equal moles of Acid and Base reacts together their is neutralization…

Q: A 500 mL sample of a solution saturated at 25°C with calcium oxalate is evaporated to dryness,…

A: Equation involved:-  Ca(C2O4)(s) = Ca2+(aq) + C2O42-(aq)

Q: determination of formic acid by neutralization volumetry, the pH was calculated as a function of the…

A: Answer- Ka=1.70x10-4. for Formic acid.

Q: 3. The maximum buffering capacity is nearest to the pka of the buffer. Explain why?

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Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Given: Volume of weak acid = 50 cm3 Concentration of weak acid = 0.05 M Concentration of NaOH = 0.1…

Q: The Ka values for nitrous acid (HNO2) and hypochlorous (HClO) acid are 4.5 x10-4and 3.0 x10-8,…

A: The pKa values of HNO2 and HClO is calculated below. The pKa of HClO is closer to the required pH…

Q: sólution, normally of unknown ncentration, is titrated with a KMNO4 solution of exact concentration…

A: In this experiement we will use a standard solution of potassium permanganate to determine the the…

Q: Estimate the carbon dioxide content ui a natural water sample having a pH of 7.3 and a…

A: The value of Ka is standard so is taken from book.  [H+] and [H3O+] are one and the same thing…

Q: A student has a sea water sample which contains Ca2 ions . Describe briefly how he will determine…

A: To determine the concentration of calcium ions, we have to perform titration with EDTA solution. In…

Q: Complete the following solubility constant expression for Ag,CO3. K - 0 sp

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Q: Find the activity coefficients for both ions of AgCN in a 500 mL solution saturated with AgCN(s)…

A: Molar concentration of KNO3 in the solution: =Mass of KNO3FMKNO3×Volume of solution (in L)=5.055…

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: a.)…

A: a.) 0.35 M CaF2 in water ,  Need to find conc of all the species

Q: Phosphoric acid is a triprotic acid with the pK, values pK,l = 2.148, pK2 = 7.198, and pKy = 12.375.…

A: Given: Volume of buffer = 1.000 L Concentration of buffer = 0.0500 M And pH of buffer = 7.780…

Q: Phosphoric acid is a triprotic acid with the pk, values pK =2.148, pK 7.198, and pk 12.375. You wish…

A: Given: Volume of buffer = 1.000 L Concentration of buffer = 0.0100 M And pH of buffer = 7.540

Q: A buffer solution is made that is 0.310 M in HC10 and 0.310 M in KC10. If K, for HC1O is 3.50 ×…

A: Given, [HClO]=0.310 M[KClO]=0.310Ka(KClO)= 3.50×10-8

Q: Tobramycin sulfate is a 7-ion electrolyte and has a molecular weight of 1425.45 g/mol. Assuming that…

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Q: Calculate the ratio of [Ca2+] to [Fe2+] in a lake in which the water is in equilibrium with deposits…

A: Solubility product constant for CaCO3 is 4.5x10-9. Solubility product constant for FeCO3 is…

Q: What is the activity coefficient of hydroxide for a solution containing 0.0020 M potassium hydroxide…

A: The chemical reactions taking place are: KOH → K+ + OH-CaCl2 → Ca2+ + 2Cl- Calculating the ionic…

Q: Consider the insoluble compound silver iodide , AgI. The silver ion also forms a complex with…

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Q: Jisoo was tasked to ensure that an enzyme responsible for keeping her species from extinctior…

A: Given the required pH of the buffer solution = 10.00 [H+] = 10-pH = 10-10.00 = 1.00*10-10