Calculate the concentration oh Hg2+ in 500.00ml of a solution that was originally 0.010 M Hg2+ and 0.78M I-.

Q: 2. If 25.00 mL of a 0.09864 M CH;COOH (Ka = 1.8 x 10-5) solution is titrated with a 0.1027 M NaOH…

A: At equivalence point only salt will be present

Q: What is the concentration(M) of nitric acid if it takes 42.7mL of 0.250M barium hydroxide to…

A:

Q: What volume (mL) of 0.025 M HNO3 is necessary to titrate 5.2 mL of 0.046 M Ca(OH), solution to the…

A:

Q: If 14.45 ml of H2SO4 is required to reach the end point when titrated with 25.00 ml of 0.9298 M…

A:

Q: Caffeine (C8H10N4O2) is a neutral weak base and has a Kb= 4.1 x 10^-4. If you dissolve 85 mg in 5.00…

A: Given: Kb of Caffeine (Assuming B) is 4.1 × 10-4. Mass of B used = 85 mg = 0.085 g…

Q: What volume of 0.317M KOH solution will be required to titrate 25.00mL of 0.285M HNO3?   What mass…

A: 1) Molarity: Molarity of a substance is the amount of substance in a certain volume of solution. It…

Q: Calculate the volume of a 1.420 M NaOH solution required to titrate 20.40 mL of a  1.500 M  H3PO4…

A: The balanced chemical reaction equation is given below. The molar ratio of acid and base is 1:3.…

Q: What is the pH of a solution made by mixing 0.30 molNaOH, 0.25 mol Na2HPO4, and 0.20 mol H3PO4 with…

A: Record the given data, 0.20 mol of H3PO4 react with NaOH completely to form 0.20 mol of NaH2PO4 (the…

Q: A 4.5x10^-3M solution of a weak acid is 6.3% dissociated at 25°C. In a 4.5x10^-4 M solution, the…

A:

Q: What are the concentrations of OH−OH− and H+H+ in a 0.00089 M0.00089M solution of Ba(OH)2Ba(OH)2 at…

A: Barium hydroxide is a base , 1 mole of Ba(OH)2 can give 2 mole of OH-  at 25oC…

Q: What mass of NaCN needs to be added to water to give a 1.0 L solution with pH= 11.42. For HCN : Ka =…

A:

Q: What is the hydronium-ion concentration in a solution resulting from mixing 133 mL of 0.100 M HCN…

A: Answer:- This question is answered by using the simple concept of calculation of hydronium ion using…

Q: Calculate the volume (mL) of 0.100 M H3PO4 required to neutralize 25.0 mL of 0.010 M Ca(OH)2.

A: Given:Molarity of H3PO4 is 0.100 M.Volume of Ca(OH)2 is 25.0 mL.Molarity of Ca(OH)2 is 0.010 M.

Q: Consider a buffer solution made up of H2PO4- and HPO42- . For H2PO4-, Ka = 6.2 x 10-8. What mole…

A: Answer: 1.38

Q: A solution is 0.0500 M in NH.Cl and 0.0250 M in NH3. K. (NH,) = 5.70 x 10-10 Calculate the pH of…

A: A buffer is a solution that resists the change of pH upon the addition of a small amount of acid or…

Q: Calculate the volume of 0.4M of Ba(OH)2 solution must be added to 50ml of 0.3M NaOH in order to…

A:

Q: What are the ion concentrations for Ca2+ and NO3- in 0.35M Ca(NO3)2?

A: We are having the Concentration of the Ca(NO3)2  as 0.35 M We have to calculate the concentration of…

Q: 5. At 25°C, what changes in pH occur when (a) 0.0250 M HCI (b) 0.0250 M NaOH are diluted with water…

A: We have to predict the change in the pH.

Q: What is the pH (to two decimal places) of a 50.0 mL 0.15 M NH3 aqueous solution (at 25 °C) after…

A: Given-> Volume of NH3 = 50.0 ml Molarity of NH3 = 0.15 M Volume of HCl = 15.0 ml Molarity of HCl…

Q: Calculate the volume of a 1.420 M NaOH solution required to titrate 28.15 mL of a 1.500 M…

A: For a chemical compound or a molecule, the number of moles can be called as the ratio of the mass to…

Q: What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with pH of 12.4?

A:

Q: 1.What is the percent relative uncertainty of pH of a 0.1861(±0.0004) molar solution of HCl?…

A: Interpretation-  To determine percent relative uncertainty of pH of 0.1861(±0.0004) molar solution…

Q: What will happen to the pH of a 2.0 HF solution (pH=1.42, Ka=7.23x10^-4) if you added some NaF to…

A:

Q: 22) The POH of 0.180 M NaCN (basic salt) (Kb of CN¯ = 2.22 x 10°) is: a) 10.9 b) 4.68 c) 3.09 d)…

A: The concentration of basic salt (NaCN) = 0.180 M  The equilibrium constant, Kb of CN– = 2.22 × 10–9…

Q: How to find the relative difference in H+ concertration between solution with pH 1.0 and solution…

A: Defination of pH : It is the negative log of concentration of H+ ions. It define the acidity or…

Q: How many grams of BHCl(acidic salt , 69.83g/mol

A: We have to find the mass of BHCl

Q: 1- When 10ml of glucose and 20ml of I2 titrate with 0.1 NaS203, the volume appears 5ml, and when the…

A: Given in following question give some data 10 ml of glucose and 20 ml I2 titration with 0.1 Na2S2O3…

Q: For 490.0 mL of a buffer solution that is 0.185 M in CH3CH₂NH₂ and 0.135 Min CH3CH₂NH3C1, calculate…

A: This is an basic buffer solution with amonium ion salt and amonia base

Q: 4. What volume of 0.85 M NaOH would be required to titrate 100 ml of 0.50 M HC1?

A: We have given that  Volume of HCl =V1 = 100ml  Molarity of HCl=(M1)=0.50M  Molarity of NaOH (M2)…

Q: Calculate the volume (mL) of 0.100M H3PO4 required to neutralize 25.0 mL of 0.010M Ca(OH)2 .

A: Neutralization between acid-base always occurs as per reaction's stoichiometry of that chemical…

Q: Calculate the percent dissociation of crotonic acid (C,H,CO,H) In a 0.45 mM aqueous solution of the…

A:

Q: Find the pH of a solution 0.64 M in HNO2, and 1.24 M in NaNO2. For HNO2 Ka=4.5×10-4. Explain step by…

A: 1- Firstly we will calculate the pKa of acid HNO2 :  We know that, pKa = -log(Ka)  pKa = -log( 4.5 ×…

Q: Calculate the concentration of all solution species in a 0.0500M solution of CaF2.  KaHF=7.0x10-4.

A: Given : Concentration of CaF2 = 0.0500 M Since CaF2 is an ionic compound. Hence it will dissociate…

Q: Calculate the concentration of C8H.O42 : a. in a solution which is 0.020 M solution of H2C8H4O4. b.…

A:

Q: Calculate the concentration of free Ca2 in a solution of 0.10 M CaY2 at pH 6. K for CaY2 is 4.9x1010…

A:

Q: An smotic pressure of 954mmHg is measured for 1.0L solution of 1.50g MCI(aq) at 25°C. What is the…

A:

Q: 3. Which indicator would show a pH change from 6 to 7? O Blue litmus indicator O Phenol red…

A: methyl red indicator

Q: Hydrofluoric acid (HF) has a Ka value of 7.2 x 10-4. What is the pH to 2 decimal places when 17.20…

A: Acid base Titration and pH calculation:

Q: Calculate the pH of a solution prepared by mixing 35.0 mL of 0.200 M HCl and 50.0 mL of0.175 M NH (K…

A: Total volume of the solution is = 35ml + 50ml = 85ml = 0.085 L Now finding out the moles of each ion…

Q: Calculate the concentrations of all species in a 0.280 M Na, SO, (sodium sulfite) solution. The…

A: Given: Concentration of sodium sulphite is 0.280 M

Q: If it takes 12.5 mL of 0.150 M NaOH to titra

A: 1 H2SO4  + 2 NaOH  --> Na2SO4  + 2 H2O   at end point      moles of acid = moles of base…

Q: What is the selenide ion concentration [Se2-] for a 0.100 M H2Se solution that has the stepwise…

A: The concentration of H2Se is 0.100 M. The dissociation constants, Ka1 and Ka2, of H2Se are 1.3×10-4…

Q: What is [H3O+] in a solution of 0.25 M CH3CO2H and 0.030 M…

A: The solution which contains 0.25 M CH3CO2H and 0.030 M CH3CO2Na acts as buffer solution and the pH…

Q: Calculate the concentration of bicarbonate ion, HCO3-1, in a 0.010 M H2CO3 solution that has the…

A: The dissociation constant represents the tendency of a chemical substance for reversible…

Q: Q# 2: In a groundwater water sample carbonate and bicarbonate concentration are 2.2 and 594 mg/L…

A: When determining alkalinity using sulphuric acid, the end point is obtained at pH 4.5 where all the…

Q: Given 0.114 M HNO2 in water with a Ka for that acid of 4.6x10-4, what is the molarity of…

A: The equilibrium constant for acid dissociation is denoted as Ka. It represents the ratio of the…

Q: Calculate the hydronium-ion concentration at 25°C in a 1.3 x 10-2 M Ba(OH)2 solution. Concentration…

A: The Ba(OH)2 dissociates in solution as- Ba(OH)2 (aq)→Ba2+(aq) + 2OH-(aq) Thus, as per balanced…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.