What is the concentration of Pb2+ in a 1.2 M NaCl solution? (Ksp of PbCl2=1.7x10-5)

Q: How many ml of 0.25 M HCl is required to neutralize 50.0M of 0.30M NaOH? a) 45   b) 60   c) 15…

A: Concentration of HCL =0.25 M Volume of NaOH=50.0mL Concentration  of NaOH=0.30M Volume of HCL=?

Q: KSP = 1.8 x 10^-10. How many moles of AgCl can be dissolved in 1000mL of H20

A: Given data: Solubility product of AgCl  = 1.8 x 10-10 Volume of water = 1000mL = 1L Molar mass of…

Q: new concentration of  Zn2+

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Q: 5.45 mL of 0.10 N NaOH was needed to titrate a 5.00 mL aliquot of grape juice to phenolphthalein…

A:

Q: 0.200 molH3C6H5O7 LH₂C6H₂O7 0.200 mol H₂CH₂O7 LH₂CH₂O7 X 25.0 L H₂C,H,O, 1000 25.0 1000 A solution…

A: 25.0 mL of 0.200 M citric acid H3C6H5O7 is titrated with 0.750 M NaOH solution to reach the third…

Q: grade 12 chem: A substance with a very small Ksp: a) Is highly soluble b) Is highly insoluble…

A: Solubility product: It can be defined as by saying the multiplicative product of the concentrations…

Q: Indicate the second endpoint for a citric acid titration (H3C6H5O7 Ka1-7.01x10-4, Ka2-1.70x10-5, and…

A: In the citric acid Titration,  Ka2 = 1.70×10-5 Now pKa  = -logKa2                     =…

Q: Carbonic Acid Buffers and the case of the child that drinks 1L of Cherry Coke® 10 Reasons to NEVER…

A: Buffer:A buffer is a solution of equimolar concentration of weak acid and its conjugate base or weak…

Q: Which indicator should you use for a titration between a strong acid and a strong base?   A.)…

A: Titration between strong acid and strong base ,equivalence point arrises at around 7.0  Thus that…

Q: 30.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein…

A: Interpretation- To determine the concentration of the H2SO4 solution when 30.00 mL of a H2SO4…

Q: P3. What are the three main buffering system of the blood? bicarbonate, haemoglobin and (A) Write…

A:

Q: A 10.0 mL sample of 0.555 M H2SO4 is titrated with 0.233 M NaOH. What volume (mL) of NaOH is…

A: In titration acid and base netralizes to each other and end point is indicated by colour change.

Q: solution is prepared that contains 0.2 M HNO3 and 0.1 M HN3 (Ka=1.9x10-5). What is the concentration…

A:

Q: The syrup is diluted three consecutive times by a factor of 2. If the concentration of red dye is…

A: The dilution factor is calculated by dividing the final volume of the solution by the initial…

Q: t 25°C, what are the molar H30* and OH concentrations in a 0.0360 M C& Hs COOH (K, (C,H;COOH)= 6.28…

A: Concentration of benzoic acid = 0.0360 M

Q: What is the concentration [H3O+] in a solution that contains 0.15M in NaF and 0.25 M in HF

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Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

A: We have to predict the hydronium ion concentration.

Q: 30.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein…

A: Given: Volume of H2SO4, V1 = 30.00mL Volume of phenolphthalein, V2 = 37.77mL Molarity of…

Q: What is the concentration of the Ca(OH)2, when it required 15.5mL of 0.5M HCl to neutralize 25mL of…

A: Given : Volume of HCl solution = 15.5 mL  Concentration HCl = 0.5 M And volume of Ca(OH)2 solution =…

Q: New August 17, 2020. Titration of 50.00 mL of 0.05251 M Na2C204 required 36.75 mL of a potassium…

A: Given,  Molarity of Na2C2O4 = 0.05251 M  Volume of Na2C2O4 = 50.00 mL  Molarity of KMnO4 = ? Volume…

Q: Calculate the concentration of free Zn+2 in 0.08 M ZnY2- solution at pH = 9 . (Kf = 3.2 x 1016 , α4…

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Q: 5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NHẠCI solution (Kb for NH3 is = 1.8 ×…

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: 42 Titration of 10.00 mL of a 0.444M solution of HCl with a solution of LiSH required 23.2 mL  of…

A: Given reaction is : HCl   +  LiSH ----------->   LiCl    +    H2S    Volume of HCl in mL = 10.00…

Q: 32. A 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the…

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Q: In the equation, A = abc, what does "a" represent? a.) molar absorptivity b.) absorptivity c.) path…

A: We are given equation  A= abc

Q: 3. Sprite does not contain phosphoric acid. Only sodas that are dark in color contain this acid.…

A: Quantitative analysis for the determination of the concentration of acid/base by neutralizing it…

Q: A 0.2028 g sample of primary standard grade Na2C2O4 (M.M. = 134.00) was dissolved in 100 mL of 1 M…

A: Primary standard solutions are made of primary standard substances which has high purity (99.9%). It…

Q: uestion 21 What are the components of the buffer solution when 0.20 mol H3PO4 is mixed with 0.30 mol…

A:

Q: Identify the best indicator to use when trimethylamine (Kb = 6.3*105) is titrated with hydrochloric…

A: Firstly calculate equilence point ,than identify indicator

Q: A solution of hydrazoic acid, HN3 (43.03 mg/mmol), a colorless, volatile, and explosive liquid, was…

A:

Q: 0.7980-g sample of chloride was titrated using the Fajans method and required 45.32 mL of 0.1046 M…

A: We have given that   0.7980g sample of chloride was titrated using the Fajans method and required…

Q: 7. Warfarin is a blood thinner known by its tradename Coumadin. Warfarin has a formula mass of…

A: Warfarin is a weak acid.

Q: How many moles of CaF2 will dissolve in 3.0 liters of 0.061 M NaF solution? (Ksp for CaF2-4.0 x…

A:

Q: a. Calculate the solubility of PbI2 (Ksp = 1.5 × 10¬8) in moles per liter. Ignore any acid-base…

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Q: Which factors will cause protein denaturation? Select all that apply. a. aqueous phosphate buffer…

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Q: 1. a) Describe Ph and Buffers for parental drug delivery? b)Explain the differences between PMDIS…

A: The pH value is one of the critical aspects of parenteral preparations, which should be as close to…

Q: What is the concentration of Cd2+ in a solution that is 0.10 M Cd(NH3)42+? (Kf = 4.0 x 106) Group of…

A: Given the initial concentration of Cd(NH3)42+(aq) = 0.10 M  The balanced formation equation of…

Q: 5. What is [H3O+] in a solution of 0.075 M HNO2 and 0.030 M NaNO2? The pKa of HNO2 is 4.35. a. 1.1…

A:

Q: A 75.0 mL solution of magnesium hydroxide was titrated with 22.68 mL HCl. Find the concentration of…

A: The reaction taking place will be  Mg(OH)2 + 2 HCl -----> MgCl2 + 2 H2O hence from the above…

Q: What is the concentration of H+ in a solution of 0.01M NaOH? A. 0.01M B. 2 M C. 10-12 M D. 10-2 M

A: NaOH is strong base.  Hence it dissociates completely into its ions Na+ and OH-.

Q: A 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the…

A: Given, A 34.62 mL of 0.1510 M NaOH was needed to neutralize50.0 mL of an H2SO4 solution.we are asked…

Q: Q2. At 25°C, water dissolves 0.8108g of PbCl2 per liter, calculate the Ksp of PbCl2 at 25°C.

A:

Q: Using the Henderson-Hasselbalch equation determine the ratio of conjugate base (HPO42–) to acid…

A: pH = 6.90 pKa = 7.20 Acid is H2PO4- and symbolized as HA Conjugate base is HPO42- and symbolized as…

Q: What is the concentration of free Ag+ in 3.7099e-4 M AgNO3 and 1.4440 M NaCN? Ag+ + 2 CN− →…

A: The question is based on the concept of equilibrium and complex formation. we have to determine…

Q: Over which pH range would a dihydrogen phosphate buffer be effective? a. 6.21-8.21 b. 1.12-3.12…

A: A dihydrogen phosphate buffer is a mixture of KH2PO4 and K2HPO4 in which H2PO4- serves a weak acid…

Q: NHINHS Ammonium ion + amnoonia 4 Buffer syatem ma. Making a buffen r solution with D-10M & 15.0mL…

A:

Q: 5. You did a titration where it took 25mL of 5M NaOH to neutralize 1000mL of an acid (HCl) with…

A: Introduction: Molarity: Molarity is often used to express the concentration of the solution. It is…

Q: 12. Which of the following liquids has the weakest IMFA? O CH:OH О но CS2 H20

A: IMFA also called intermolecular forces of attraction are the forces acting between two similar…

Q: t Requires 42.35 ML Of H2SO4 To Neutralize 37.5 ML Of 0.250 M NaOH. Calculate The concentration of…

A: Reaction taking place is : H2SO4 + 2NaOH ---> Na2SO4 + 2H2O Volume of H2SO4 = 42.35 ml Volume of…

Q: At 25°C, water dissolves 0.8108g of PbCl, per liter, calculate the Ksp of PbCl2 at 25°C.

A: Answer: The Ksp of PbCl2 at 25°C is 9.7556 × 10-8.