A student measures k for a certain blue to be 400.4 M1 at 560 nm. What is the molarity of the dye in a solution with an absorbance of 0.118 at this wavelength?
Q: What mass of NaCN must be added to 1 L of 0.010 M Mg(NO3)2 in order to produce the first trace of…
A: Given:
Q: What is the weight percent (w/w) of NaOH in a solution prepared by dissolving 30.0g of NaOH in…
A: The given data contains, weight of NaOH =30.0 g weight of water =120 g
Q: What would be the sulfide-ion formality in a saturated solution of Bi2S3 if the Ksp of this…
A: Bi2S3======> 2Bi ³+ + 3 S²- Suppose, “x” is the Solubility of Bismuth Sulphide....
Q: What is the pH of a 0.270 M solution of aniline (C6H;NH2, Kb = 4.3 x 10-19)?
A: Given: concentration of aniline, C = 0.270M Kb = 4.3 x 10-10
Q: Determine the molar solubility of phosphate in Zn(OH)2 (Ksp = 1.8 x 10-14) in a solution of 0.025 M…
A:
Q: Describe the clinical effects of elevated concentrations ofsodium ions in the blood.
A:
Q: What volume of 0.100 M MgCl2 must be diluted to exactly one liter in order to prepare a solution…
A: The concentration of the concentrated MgCl2 solution = 0.100 M The ionic strength of the required…
Q: What is the pH of a 0.260 M solution of aniline (C6HSNH2, Kb = 4.3 x 10-10)?
A: Given, MOlarity of aniline = 0.260M
Q: Calculate the solubility of Co(OH)3 (s), Ksp = 2.5 x 10-43, in a solution at pH= 4.0
A: The equilibrium is,
Q: 4. Which cation or cations may be present in a pale blue solution that turns deep blue and forms a…
A: Cu2+ ions solution has pale blue color solution. The reaction between Cu2+ ions and Ammonia forms a…
Q: For the aqueOuS [Ni(NH3)6] 2+ complex Kf= 5.50 x 10^8 at 25 °C. Suppose equal volumes of 0.0016 M…
A:
Q: What is the pH of a 0.150 M solution of aniline (CeH;NH2, Kb = 4.3 × 10-1º)?
A:
Q: What volume of 0,02 mol.dm sulphuric acid would be needed to neutralise a solution by mixing 20 cm…
A:
Q: The hardness of water is usually expressed in parts per million (ppm) by mass of CaCO3. What is the…
A: The concentration of calcium ion in the given sample is 1.1×10-3 M. That means we have 1.1×10-3…
Q: What is the pH of a 0.290 M solution of aniline (C6H5NH2, Kb = 4.3 x 10-10)?
A: In the given question we have to calculate the pH of Aniline. concentration of Aniline = 0.290 M Kb…
Q: Describe the preparation of I L of 5moll-2 HCL colution from concentrated acid/d=1019 g/m²: 37.500)
A: **As you have asked multiple questions, I am solving first question. Either resubmit other questions…
Q: If the cell constants of 0.2 cm^-1 and the molar conductivity of H+ and Cl- are known, 350…
A:
Q: What will be the pH of a buffer solution containing an acid with a pKa of 5.4 with an acid…
A: We have to predict the pH of buffer solution.
Q: A student measures k for a certain blue dye to be 400.4 M-1 at 560 nm. What is the molarity of the…
A: According to the Beer's law the absorbance of any substance is directly proportional to the…
Q: Calculate the mass of sldium thiosulfate necessary to prepare .5L of the .10M Na2S2O3 titrant.
A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…
Q: Calculate the pH of a saturated Co(OH)2 solution. Ksp = 1.1 × 10^-15?
A: Solubility product constant: The equilibrium constant of partially soluble ionic compound in…
Q: Which of the following statements is correct The value of the molar conductance of the aqueous…
A: The molar conductance increases with the dilution taking place by the dissociation of the ions in…
Q: Calculate the molar solubility of Ca(OH)2 (Ksp = 5.02 x 10) in %3D solution that is buffered at pH=…
A:
Q: 5. Magnesium hydroxide (Mg(OH)2) has a pKsp value of 11.25. In a solution at pH 10, what is the…
A: Given, pKsp of Mg(OH)2 = 11.25 pH = 10 What is the maximum Mg2+ concentration in µmol/L = ? What…
Q: What is the solubility of Cos (K= 5.9 x 10-21 at 25 °C) in g/100mL? %3D
A: The correct option is (D) 6.99×10-10 g/100ml
Q: Give the detailed step by step procedure for the preparation of 500 mL of 0.2 M K4 Fe (CN) 6.
A: We have given that Give the detailed step by step procedure for the preparation of 500 mL of 0.2 M…
Q: What molar ratio of salt to acid would be required to prepare a buffer solution with a pH of 5.9?…
A:
Q: What volume of 0.00945 M solution of potassium hydroxide would be required to titrate 50.00 mL of a…
A: Molarity is defined as the amount of solute dissolved per litre of solution. When the titration is…
Q: Which of the following salts does NOT cause permanent hardness? A FeCl, Ca(HCO 3) 2 B CaCl, D) M8SO
A: We have given that Which of the following salts does NOT cause permanent hardness? A. FeCl2 B.…
Q: 4) A series of titrations gave the following concentration (M) values: 0.517,0.528, 0.521, 0.523.…
A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…
Q: What is the pH and fraction of association of a 0.100 M solution of a weak base with Kb = 1.00 X…
A:
Q: What is the ionic strength of 0.10 M ZnSO4?
A: A chemical compound consists of two or more different elements which are bonded with each other…
Q: What weight of KCN is equivalent to 30.00 mL of AGNO3 solution containing 15.00 g/liter (a) by the…
A: In the given problem, the amount of KCN that will be equivalent to 30.00 mL of AgNO3 solution having…
Q: не V ðT\ dP Which of the following is equivalent to P a kT TIT
A:
Q: What are the respective concentrations (M) of K+ and CO32-afforded by dissolving 0.530 mol K2CO3 in…
A: Given, Moles of K2CO3 = 0.530mol. Volume = 1.50L. The molarity of the solution can be calculated as
Q: Barium fluoride (BaF2) has Ksp = 1.8 x 107. What is the maximum fluoride ion concentration possible…
A: The solubility product constant (Ksp) describes the dissolution of solute in a solution, which is…
Q: If 0.50 mol of KCl are dissovled in a certain volume of distilled water and a second solution is…
A: The conductance of the solution depends upon the number of ions and greater the number of ions will…
Q: What is the pH of a 0,0100 mol.dm–3 solution of a weak, monoprotic acid with Ka = 3,4 x10^-3 at…
A: We have to calculate the pH of solution.
Q: What is the fluoride ion concentration for a saturated solution of SrF2 if the Ksp for SrF2 is 2.5 x…
A: Given, KSp for SrF2 = 2.5 x 10-9 [F-] = ?
Q: 14.10) What is the molar absorptivity of a solute that absorbs 86% of a certain wavelength of light…
A: Apply Beer-Lambert's law to calculate the molar absorptivity
Q: Calculate the solubility of solid Ca3(PO4)2 (Ksp = 1.3 x 10-32) in a 0.20-M Na3PO4 solution.
A: Given : Concentration of Na3PO4 = 0.20 M And Ksp of Ca3(PO4)2 = 1.3 X 10-32 Since Na3PO4 is a…
Q: You have 10mL of an 8% aqueous solution of H2Cl6Pt. Calculate the molar concentration of the…
A: Given: Volume of solution = 10 mL Convert mL into L as follows. 1 mL = 0.001 L10 mL = 10 mL × 0.001…
Q: What volume of 0.80 M HCl will be required to titrate 36.2 grams of NaBrO (fw = 118.9 g/mol) to the…
A: Acid reacts with base to form salt and water. One mole of HCl react with one mole of NaBrO to form…
Q: Give a list of laboratory apparatus and equipment that are to be utilized for the preparation of 500…
A:
Q: A sample of water in contact with solid Fe(OH)3 is found to have a pH of 7 .5. If no other dissolved…
A: To calculate the pOH of the solution, the equation used is: pH + pOH = 14 ........(1) pOH is…
Q: Use activity coefficients to find the concentration of hydrogen ions in a solution of 50.0 mM…
A:
Q: Which of the following salts does NOT cause permanent hardness? B CaCl, © M8SO, Ca(HCO ,), 2
A:
Q: When creating Alum KAl(SO4)2.H2O: Why was 30 mL of ethanol added to a filtered solution of aluminum…
A: Preparation of alum, reason of adding ethanol and placed it on the ice is given below.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- 14.10) What is the molar absorptivity of a solute that absorbs 86% of a certain wavelength of light when the beam passes through a 1.0-cm cell containing a 0.16 M solution?Describe the clinical effects of elevated concentrations ofsodium ions in the blood.Calculate the molar concentration of FeSCN2+ in solution #3. The determined molar absorptivity of the solution at 448 nm is 333 L mol-1 cm-1.
- The solution of total volume 0.50 L was prepared by the addition of 0.10 moles of KF to sifficient water. What are the major species of the solution and pH ?Which salt would you expect to dissolve readily in acidic solution, calcium phosphate, Ca3(PO4)2, or calcium sulfate, CaSO4? Give a full and clear explanation.What is the pH of a 0.290 M solution of aniline (C6H5NH2, Kb = 4.3 x 10-10)?
- What is the pH of a 0,0100 mol.dm–3 solution of a weak, monoprotic acid with Ka = 3,4 x10^-3 at 25ºC?A + B —> C K=2, D + E —> F K=0.50. What is the value of K if A + B + 2F —> C + 2D + 2E?What would be the sulfide-ion formality in a saturated solution of Bi2S3 if the Ksp of this compound is 1.6 x 10-72 ?