Q: . Find the molarity of the HNO3 solution and its absolute uncertainty.
A: As per the balanced chemical reaction, 2 mol of HNO3 reacts with 1 mol Na2CO3. Now, No of moles =…
Q: An active ingredient has a relative molecular mass of 498. What mass of this active ingredient is…
A: The number of moles of substance present is calculated as the ratio of the given mass of the…
Q: Calculate the estimated O2 cost of horizontal treadmill running (ml · kg−1 · min−1) for a 70-kg…
A: The estimated O2 cost of horizontal treadmill running (ml · kg−1 · min−1) for a subject is the…
Q: Calculate the difference between AH and AU when 1.0 mol Sn (gray) of density 5.75 g cm³ changes to…
A: Enthalpy is a thermodynamic system attribute that is defined as the sum of the system's internal…
Q: In stationary chromatography, the distribution (K) is the main criterion for the division of species…
A: Solution - stationary chromatography - Chromatography is a separation process involving two phases,…
Q: Why heavier p- block elements shows variable electrovalency?
A: A lower value of oxidation state is obtained when only np electrons are lost. In the case of heavy p…
Q: ) The refractive index (μ) of water is found to have the values 12.9,12.5,12.3 and 11.8. Calculate…
A: The question is based on the concept of analytical treatment. we have been given refractive indices…
Q: Anion and cation chromatography can be achieved by modifying? A. Type of dye B. Mobile phase C.…
A: Chromatography is a technique for the separation of a mixture into its components.
Q: What is the correlation of the density of the saltwater mixture and the brightness of the bulb?
A: To explain: The correlation of the density of the saltwater mixture and the brightness of the bulb.…
Q: At infinite dilution, the molar ionic conductivities of Ba+2 were equal to 0.0127ohm^-1 m^2 mol^-1…
A: Given data, Molar ionic conductivity of Ba2+ = 0.0127 ohm-1m2mol-1 Molar conductivity of Cl- = 76…
Q: What is the value of pk, for the fluoride anion, F at 25°C? Ka(HF) = 7.1 x 10-4? Express your answer…
A:
Q: What are the advantages and disadvantages of volumetric and gravimetric analysis
A: Gravimetric analysis is a very accurate quantitative analysis .Advantages of gravimetric analysis…
Q: What are the criteria for a successful determination in gravimetric analysis?
A: Gravimetric analysis is a technique through which the amount of an analyte (the ion being analyzed)…
Q: 4. Give the function of the following parts of the spectrophotometer. b. Collimator C. Slit d.…
A: (a)Collimator-It is a device for changing the diverging light or other radiation from a point source…
Q: The standard curve was made by spectrophotographic analysis of equilibrated iron(III) thiocyanate…
A: Given the linear regression equation for the analysis of the standard solution is Y =…
Q: What was the average delta t for part 1? From your observations about the experiment, which…
A: Exothermic reactions are those types of reactions in which energy is released in the form of heat…
Q: Describe the following as used in analytical chemistry a) semiqualitative analysis b)Assay c)…
A: The given terms in analytical chemistry has to be defined.
Q: In your own words, describe the following terms as used in analytical chemistry. a)…
A: a) semiqualitative analysis Answer - Qualitative analysis is the detection or identification of the…
Q: calculate the equivalent weight of KMnO4 in alkaline medium.
A: In alkaline medium, KMnO4 gains three electrons and forms MnO2.
Q: Value of as ( ), V as V ат aP/V (F), 315 is equal to....
A: Here we are required to find the equivalence of the given partial derivative.
Q: 625 nm, which can be used for the spectrophotometric determination of ammonia. ocr -OH • NH,…
A: Soln
Q: What is the difference between isocratic and gradient elution?
A:
Q: TA 100 mL natural water sample has very small concentration of Ag* (1x10-7 M). Is it possible…
A:
Q: 7) How do you separate diffusion current (ia) from kinetic current (i) in a polarographic…
A: The answer is given below
Q: 7-2: Why do quantitative and qualitative analyses often require different monochromator slit widths?
A: 7-2 The monochromator is a wavelength selector that is used to select a particular wavelength from a…
Q: List and describe all advantages of XRF and NAA techniques
A: Advantages of X-RAY FLUORESCENCE An X-ray fluorescence (XRF) spectrometer is an x-ray metallic,…
Q: 8
A: Dear student I have given answer to your question in the image format.
Q: Calcium in a sample solution is determined by atomic absorption spectroscopy (AAS). A stock solution…
A: According to Beer's law, absorbance of a solution is directly proportional to its concentration.…
Q: Differentiate between qualitative analysis and quantitive analysis?
A: The overall articulation Qualitative Analysis alludes to examinations in which substances are…
Q: What volume of 2 M Tris-HCl, pH 8.0 (in microliters) will you need in order to make 10 mL of 10 mM…
A:
Q: stationary phase and mobile phase
A:
Q: Describe the linear Lineweaver-Burk plot. slope y-intercept x-axis y-axis [S] 1/v 1/t t 1/v(max)…
A: Michaelis Menten equation shows the effect of the concentration of the substrate on the rate of an…
Q: Explain why the concentration of zinc cannot be determined directly using a spectrophotometer.
A: The atomic no of zimnc is 30. It contain many free electrons
Q: The pH of a solution containing 0,0 Na Hz VOu and D,05M Na, HVO6 Ka, = 4,11 x10? %3D Kaz- d,11x 10 T
A: Given, concentration of Na2H2VO4 = 003 M concentration of Na2HVO4 = 0.05 M Ka1 = 1.1 x 10-2 Ka2 =…
Q: Determine the molecular mass and nominal mass of phenol, C¸H,OH.
A: Molecular mass is the sum of molar masses of all elements constituting a molecule. Nominal mass is…
Q: The following data were obtained for the determination of Mg in water samples 5.5, 5.7, 5.9, 3.2 and…
A: Generally, the magnesium and calcium metal is determined with the help of the EDTA analytical…
Q: L6 5 What is the primary advantage of temperature program in gas * ?chromatography It improves the…
A: What is the primary advantages of temperature program gas chromatography?
Q: using the following information to construct a valid hypothesis addressing the effect of pH and…
A:
Q: 1. From spinach, the chromatographic analysis will yield two major substances: (a) B-carotene…
A: (i). Characteristics of beta-carotene: β-carotene is the molecule that gives carrots, sweet…
Q: The student was supposed to measure the pH of a 0.1 M hydrochloric acid solution. For this purpose,…
A: Concentration of HCl = 0.1 M
Q: 2. Describe the underlying principles behind the complexometric determination of water hardness.…
A: Water is pure when nothing is added to it, but it becomes hard when the calcium and magnesium ions…
Q: A 24 year old graduate student was brought to the ED in a comatose state after being found…
A:
Q: Explain how to obtain larger particles based on the relative supersaturation
A: This explained by von weirmarn equation...
Q: Calculate the molar absorptivity of a solute when its measured absorbance is 1.050 with a…
A: Formula: A = e.c.l Where, e = molar absorptivity, A = absorbance, c = molar concentration and l =…
Q: Kerma can be calculated from particle fluence by Hab K = $ x E x Truo
A: Answer : True Kerma can be calculated as
Q: Q4:- A moving boundary experiment is carried out with a 0.1 mol. L¹ Solution of hydrochloric acid at…
A: In order to solve this problem regarding the moving boundary method, we will need the following…
Q: Show the derivatation of the weak acid approximation for calculating [H3O+]. Explain the basis of…
A: General weak acid ionization reaction in water is given by,
Differentiate acidimetry from alkalimetry
Step by step
Solved in 2 steps with 2 images
- The common logarithm of 2.68 is 0.428. Without using a calculator, determine the common logarithm of 2.68 ×10192 and of 2.68 × 10-289.11 of 11 I Review | Constants Periodic Table Suppose that you want to construct a line with slope m = 3 that passes through the point (2, 1). You would begin by setting up the equation y = 3x +b If you plug in the coordinates for any point on that line, the two sides of the equation will be equal. Once you've done this, you can solve for b. What is the value of b? Express your answer as an integer. > View Available Hint(s) 8:59 PM 41% 67°F x口ツ 8/31/2021Q3)a) Discuss the any two applications of Beer’s law with suitable justification. (b) In an analytical laboratory a chemical compound namely Paracetamol (151.163 g/mol) is determined in a sample. A sample weighing 0.0295 g was dissolved in a solvent and diluted the solution to 1 L. The solution has λ max at 243 nm (ε=2.6×104 cm-1 mol-1 L). The solution exhibits an absorbance of 0.638 in a 2 cm cell. Calculate the percentage paracetamol in the sample. (c) Analyze any two causes of non-linearity of curve in the Beer’s law.
- Find the mean and median of each of the following sets of data. Determine the deviation from the mean for each data point within the seats and find the mean deviation for each set. Use a spreadsheet if it is convenient. (a) 0.0110 0.0104. 0.0105use ion exchange method in analytical separation to separate mercury and nickel from polluted water using analytical steps and protocols.(904.6 - 2.9)/3.52 x 10^4
- The spectroscopic data in the table is generated with five solutions of known concentration. Concentration (M) 0.0133 m= 0.0266 0.0532 0.106 0.213 Absorbance 0.1271 What is the intercept of the linear regression line? 0.08531 0.5388 1.069 Use a spreadsheet program, such as Microsoft Excel, to graph the data points and determine the equation of the best-fit line. 1.954 What is the slope of the linear regression line formed by these points? M-1on the last part of the problem where it is x=( 10-10 x 0.25)1/2=5x10-6 M When I plug that into my calculator I get 1.25 an not 5x10-6 what am I doing wrongWhat is a 99% confidence interval uncertainty of the slope when we are given a trendline with a slope of 42.211 and an R² value of 0.9991 for a set of 145 data points?
- I think I have 3a, 3b done but I would like to see what you guys say is the correct answer, I am stuck on 3c and if you could do 4 as well so I can check my answers with yours that would be greatly appreciatedhow woud you dothis with out a scintific calculator how do you calcult 1x10^-14/1.2x10^11 by handWhat are the types of gravimetric methods? Give an examples where each method is used in an analysis. What is particulate gravimetry? When do we use this technique?