If A=0.65 the molar absorptivity f(0.034) mol/lit. for a solution ,the = value of molar absorptivity c) non of the above O b) 19.12 O a) 11.12 O
Q: 0.9% (w/v) sodium chloride (MW = 58 g/mol) solution (Normal Saline Solution) has an osmotic pressure…
A:
Q: Consider a binary solution for which the vapor pressure (in torr) of one of the components (say…
A:
Q: BOD determination using modified Winkler method Determination of molarity of a standard solution:…
A: Since you have asked the multiple question . we will solve the first question for you .If you want…
Q: (i) Calculate the minimum volume of water needed to dissolve 1.00 g of CuzS(s) under standard…
A: The value of solubility product (Ksp) of Cu2S = 2.26 x 10-48 Let molar solubility of Cu2S in pure…
Q: 20 ml of 0.1 M sodium hydroxide is required ---- ml of 0.1M sulphuric acid at end point A- 10 B- 40…
A: Given: Molarity of sulfuric acid is 0.1 M. Molarity of NaOH is 0.1 M. Volume of NaOH is 20 mL.…
Q: Calculate the mass of naphthalene required to give a freezing point depression of 2.9°C when…
A: Molality of the solution is obtained from the equation for freezing point depression. Cryoscopic…
Q: The absorptivity of all species in solution is the same at the isosbestic point. True False
A:
Q: Can you please answer sub question A and B and show all of the steps to the solution please and…
A: In the above problem the solutions are buffer solutions So we will use Henderson Hasselbalch…
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: Question 16 At a certain temperature, the solubility of copper(l) sulfide is (7.7x10^-18) M. What is…
A: 16) Given The solubility of copper (I) sulfide (Cu2S) = s = 7.7 × 10-18 M Solubility product…
Q: What is the dissociation factor "i" for non-electrolytes?
A: i = Actual number of particles in solution after dissociation or association divided…
Q: When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need…
A:
Q: The acidity of solutions is generally measured in terms of pH. The pH of a solution is defined as…
A:
Q: If Benadryl Elixir containing 25 mg diphenhydramine hydrochloride per 10 mL is evaporated to 70% of…
A:
Q: 07/03 mi of a specific scution of concertation M02 was added to it an amount of water whore volume…
A:
Q: Plot your values of In(Ksp) VS. 1/T and find the slope and y-intercept of the best fit line. Use the…
A: Since, you have posted a question with multiple sub-parts, as per our company guidelines we are…
Q: An aqueous chloric acid solution has a sp. gr. of 1.124 and contains 26.02% by mass. Calculate M, N,…
A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…
Q: For a 0.0924 m solution of CaCl, in water at 25 °C (iii) Calculate the mean ionic molality (m.) (iv)…
A: (iii) Calcium chloride would dissolve as, CaCl2→Ca2++2Cl- The concentrations of calcium ions and…
Q: 42.5 mL of 1.3M KOH are required to neutralize 50.0 mL of H2SO4. This sulfuric acid is further used…
A: Given, 42.5 mL of 1.3M KOH are required to neutralize 50.0 mL of H2SO4. This sulfuric acid is…
Q: Predict the result (miscible/immiscible) for mixing the following with water: a) 1-pentanol…
A: Miscible compounds are those which can dissolve completely into each other without giving any…
Q: -Are 'equivalence point’ and 'end point' the same? If yes, why? Otherwise, differentiate the two.
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Choose the best answer calculate Log(S), solubility, of AgCI in 0.41 KNO3 , if the solubility in…
A: Since, you have asked multiple question, we will solve the first question for you. If you want any…
Q: Calculate the ionic strength of the following solutions:a.a mixture of 0.050 M CaCl2, 0.025 M NaCl,…
A:
Q: Calculate the equivalent weight for the salt Na20: where 0 = 16, Na = 23 .A gram/equivalent 29 .B…
A:
Q: Table 4. Enthalpy of solution of salts data and calculations NHẠNO3 MgSO4 [1] Mass of salt (g) 1.991…
A: Given: Let the density of water be 1 g/mL. NH4NO3 MgSO4 mass of salt (g) 1.991 2.000 volume…
Q: 0.400 M 14. Which of the following would have the smallest impact on the solubility of any given…
A: Solubility is the maximum amount of Solute that can be mixed with given amount of solvent at given…
Q: Supply the correct word/s that complete/s the sentence: “In distilling a mixture of two miscible…
A: Distillation is the process by which liquid mixtures are separated based on the difference in their…
Q: What is the molar absorptivity of copper at λmax of cobalt?
A: The data given is,
Q: Which 0.500 M solution will be the least conductive? Choose all that apply.Choose one or…
A: The conductivity of a solution is directly proportional to the number of ions present in the…
Q: Which of the following would be true in pure water at 298K? Choose ALL that are correct
A:
Q: A KCI solution having N/50 normality has specific conductivity equal to 0.0102. If K+ and Cl -ions…
A: Given data: The normality of KCl solution = N/50 = 1/50. Specific conductivity = 0.0102. The ionic…
Q: Solubility ig solute/100g H,O) D0 g of water at 3C umerical answer to 110 100 NH, 90 70 60 40 30 20…
A: Solubility is the ability of a chemical substance to dissolve in solvent and form a solution. The…
Q: According to DHLL, the mean activity coefficient of M,X, salt in 0.33 mol/L of NaCl is: Оа. 0.020 O…
A: given, the concentration of NaCl = 0.33 mol/L NaCl → Na+ + Cl- initially…
Q: John needs to create a 1.48M Z2C13 Salution for an expeniment. is whats left ) find the #of arams of…
A:
Q: (c) Are the strengths of the interactions between the particles in the solute and between the…
A: The strength of the interactions between the particles in the solute and between the particles in…
Q: To prepare 4 mL of 1.0 M KOH stock solution, measure the mass of two KOH pellets (MW - 56.11 g/mol).…
A:
Q: How do I do the calculation(s) here to determine the information I will need to enter/graph in…
A: The species diagram represents the variation of concentration of different species in a system, with…
Q: what would the molarity be for a .1%, .4%, .8%, and 1% concentration of Crystal Violet. When at a 1%…
A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…
Q: Vhich of the following is a CORRECT charge balance expression for a 0.10 M aqueous solution…
A:
Q: . According to Nernst', the molarity of the solution is the only factor that affect the value of…
A: NERNST EQUATION: In electrochemistry, he Nernst equation is used to find out the cell potential in…
Q: The Henderson-Hasselbalch equation is very useful in the laboratory for separating compounds in a…
A: Given that pKa = 4.8 for C6H11COOH pKa = 10.7 for C6 H11N + H3 Handerson - Hasselbach equation pH…
Q: nsity of thiophene (C4H4S) 065 g/mL. A solution is mad dissolving 10.0 mL of ophene in 200.0 mL of…
A:
Q: A 10mL solution contains dissolved PbCl2. There are 0.02575 moles Pb2+ and 0.0515 moles Cl-. What…
A:
Q: A 0.20 g sample of primary standard Na2C204 (134 g/mol) needed 37.22 mL of of KMN04 solution to…
A:
Q: What is the molar absorptivity of cobalt at λmax of cobalt?
A: The data given is,
Q: Question attached
A: Gravimetric analysis: This kind of analysis in chemical science has the application in the…
Q: According to Beer's law, A = etc. the cuvette is measured in cm, and concentration has units of…
A: According to Beer's law: The concentration of the sample solution is measured in mol L-1 The…
Q: 00.0 mL of a 0.885 M soluti f KBr is diluted to 500.0 mL. Vhat is the new concentratic f the…
A: The question is based on the concept of solutions. molarity is a method of expressing…
Q: (a) Compute the geometrical mean of the number of ions (that is, v±) for the following electrolytes:…
A: An Ionic substance dissociates To respective ions. Ca3(PO4)2----> 3Ca2+ + 2PO43- MgCl2--->Mg2+…
Step by step
Solved in 2 steps
- KNO3 (aq) added to CaC2O4 (Ksp = 1.3 x 10-8) in solution will lead to __________ in solubility of the solid no effect then decrease increase no effectAn equimolar solution of ammonium sulfate, sodium chloride, and magnesium nitrate has an ionic strength of 0.15M. What is molar concentration of the solution wiht respect to each solute? a. 0.010 b. 0.015 c. 0.020 d. 0.025Which has an acitivity coeeficient closest to 1 with ionic strength = 0.001 M? a. Lithium ion b. Magnesium ion c. Lead ion d. Aluminum ion
- Compute for the needed values for slution preparation: 1. Prepare the following solution quantitatively using boiled distilled water per group:250.0 mL 0.0500 M standard HCl solution from 1.0 M HCl 2. a. 500.0 mL 0.1000 M stock EDTA solutionb. 100.0 mL 0.0500 M stock Ca2+ solutionCan you help me determine the required amount of 500mg ascorbic acid tablets to puverize the necessary amount of distilled water to make the desired concentration of stock solution (0.1M) Show complete and justifiable computations pls.Calculate the gram of hydrochloric acid mixed, 25 %, specific gravity 1.19, to prepare 300 ml of a 0.2 M solution? (Gpt/Ai Answer not allowed) And should correct
- PS. Further values required for the solvings are give in the various situations below. (ANSWER) Situation: A community in a mountainous area of Bohol uses water collected from a nearby natural spring. A sample was submitted to a laboratory for the analysis of its total hardness. Required: SHOW YOUR COMPLETE CALCULATIONS. BASED ON THE IMAGE PROVIDED BELOW FOR THIS QUESTION: Calculate the amount of titrant used in each trial to reach endpoint. Report total hardness of the sample as mean ±sd. a. 250.0 mL of 500.0 ppm of CaCO3 solution from a primary standard (assume solvent is distilled water only). Answer : Mass of CaCO3 = 0.125 g b, The EDTA solution was standardized by titrating it with a 25.0 mL aliquot of the CaCO3 solution. How much of the titrant was consumed. Answer: Volume of EDTA consumed = 12.405 g c. Calculate the average titer (mg CaCO3/mL EDTA). Mass of CaCO3 in 25 mL CaCO3 solution: 0.0125 g Answer: 1.008 mg CaCO3/ mL EDTAA 320.00 mL solution of 0.00290 M AB2 is added to a 260.00 mL solution of 0.00235 M C3D2. What is pQsp for A3D2?A 10mL solution contains dissolved PbCl2. There are 0.02575 moles Pb2+ and 0.0515 moles Cl-. What is the math expression for the activity coefficient of an ion according to Extended Debye-Hückel approach?
- Q1. Dissolved 0.273 grams of pure sodium oxalate (Na2C0.) In distilled water and added sulfuric acid and titration the solution at 70 ° C by using 42.68 ml of KMnO, solution and has exceeded end point limits by using 1.46 ml of oxalic acid (H , C, 0.) With 0.1024 N. Calculate the normlity of KMnO .. Note that the molecular weight of sodium oxalate (Na, C, 0.) = 134 and its equivalent weight = 67Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.MATLAB The acidity of solutions is generally measured in terms of pH. The pH of a solution is defined as theconcentration of hydronium ions. Create a table of conversions from concentration of hydronium ionto pH, spaced logarithmically from 0.001 to 0.1 mol/liter with 10 values. Assuming that you havenamed the concentration of hydronium ions H_conc, the syntax for calculating the negative of thelogarithm of the concentration (and thus the pH) is:pH = -log10 (H_conc)