What volume in L of a 0.724 M Nal solution contains 0.405 mol of Nal ?

Q: A mixture initially contains A, B, and C in the following concentrations: [A] = 0.550 M. [B] = 0.900…

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Q: Prince's metal, a form of brass which looks like gold, is a mixture of copper and zinc. Prince's…

A: Given: percent by mass of Cu is 75%             Percent by mass of Zn is 25%. To be calculated :…

Q: 6. 7. If acetone is ionized, which electron is most likely to be knocked off? Replace this electron…

A: Since you have posted multiple questions, according to guidelines I am solving first two which are…

Q: Given the length and width as 750 mm and 660 mm. What should be the depth of a rectangular well in…

A: First we need to convert the given volume from cubic decimeters to cubic millimetres because length…

Q: Consider the following data. For the acid:  H2A Ka = 4.21⋅10−44.21⋅10-4 Calculate the Kb for HA-.…

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Q: What is the molar solubility (in mol/L) of Pb(OH)2 (Ksp = 5.72⋅10−16) in a solution buffered at…

A: Pb(OH)2  → Pb2+ + 2 OH-    .......... (1) Let the molar solubility of Pb(OH)2 is s M according to…

Q: Which of the following is/are a strong electrolyte in a solution? O H2O Naci O KCH3COO O CH3COOH Two…

A: Elwctrolyte:   An electrolyte is a substance that dissociates in water into ions and which can carry…

Q: Each of the following reactions is allowed to come to equilibrium and then the volume is changed as…

A: We would use Le-Chatelier's principle to determine the effect on changing the volume.  According to…

Q: A 20.5 mL sample of 0.318 M methylamine, CH₂NH₂, is titrated with 0.237 M nitric acid. At the…

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Q: A 100.0 mL solution containing 0.756 g of maleic acid (MW 116.072 g/mol) is titrated with 0.217 M…

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Q: Calculate K for the reaction below. CO₂(g) + CF4(g) = 2 COF2(g)

A: Answer: Value of equilibrium constant is always equal to the ratio of active masses of products to…

Q: What fraction of iminodiacetic acid is in each of its four forms ( H3A H2A− , HA2− , A3− ) at pH…

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Q: PhCH₂Cl + LDA B 3 2 1 1 -A B 2 trans- PhHC=CHCH3 -A [Choose] [Choose ] [Choose ] [Choose C D 3 A B O…

A: PhCH2Cl produces carbene intermediate when it reacts with Lithium diisopropylamine(LDA). The…

Q: What is the pH of a 2.05 M solution of NH4CI (Kp of NH3= 1.8 x 10-5)? Your Answer: Answer

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Q: Part C What is the binding energy for a chlorine-35 nucleus? Express your answer numerically in…

A: Given,  Mass of proton= 1.007276 amu, Mass of  neutron = 1.008665 amu, Mass of electron = 4.86 x10-4…

Q: The triprotic form of the amino acid lysine is shown below, along with the pKa value for each…

A: Here we have to say in monoprotic form of lysine site A,B and C will be protonated or unprotonated-

Q: Which structure (or structures) represents (or represent) the enantiomer of the molecule below? OCH3…

A: Definition of enantiomer: An enantiomer is one of two stereoisomers that are non superimposable…

Q: On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally…

A: Isotopes are atoms of the same element that have same number of protons and different number of…

Q: What is the concentration a. pH= 8.0 [H3O+] = 1 x 10-8 M b. pH = 6.50 [H3O+] = 3.2 x 10-7 M c. pH =…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: QUESTION 1 The Ksp for Co(OH)2 at 25 °C is 2.5 x 10-16, What is the molar solubility of Co(OH)2 in…

A: Note: As per the guidelines solution of first question has been made. For the expert solutions of…

Q: Below are some common interferences that may be encountered in atomic absorption spectroscopy: (i)…

A: Chemical interference in atomic absorption spectroscopy

Q: You have been provided with a 32.5ml sample of hydrochloride acid (HCl) of unknown concentration.…

A: 32.5 mL sample of hydrochloride acid HCl were titrated with 1.50 M of 3.75 × 10-2 L sodium…

Q: gas exert? a) The pressure due to the hydrogen was Submit Answer Tries 0/99 b) The pressure due to…

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Q: A student collected conducted 6 kinetics experiments for one reaction by  holding the concentrations…

A: The rate of the reaction increases with temperature as more molecules gain enough energy to cross…

Q: 3.1 Ha Ha CI CI- Hc Hb 'Draw a splitting diagram for the Hb proton if Jbc = 10 Hz and Jba = 5 Hz.

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Q: In a constant‑pressure calorimeter, 65.0 mL of 0.340 M Ba(OH)2 was added to 65.0 mL of 0.680 M HCl.…

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Q: Which atomic spectroscopy is a more preferred method in the analysis of trace levels (such as ppb…

A: A question based on analytical process that is to be accomplished.

Q: do not fully undsertand the slide，need further explanation. what does it means by the additive…

A: The directing effect of groups attached to a benzene ring are of two types which are: (i):…

Q: What is the solubility (in mol/L) of PbCl2 given that the Ksp is 4.37⋅10−16.

A: Solubility of compound is the moles of that compound soluble in the one litre of solvent at…

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts.

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Q: CI. CH3 CH3

A: R-S nomenclature : R/S notation explains the stereochemistry of the chiral compounds. Chiral center…

Q: Lithium sulfate (Li2SO4) reacts with calcium nitrate (Ca(NO3)2) to form calcium sulfate and lithium…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: Balance the equation Li+CO2+H2O------>LiHCO3+H2

A: A balanced chemical equation contains equal number of atoms of each elements on both sides of the…

Q: Why is it that the phosphate below can readily epimerize at the 3-position but the same…

A: Proton alpha to the carbonyl group are acidic as the anion form can easily be stabilized by…

Q: What is the major alkyl halide product?

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Q: A solution containing equal concentrations of a hypothetical substance, HX3 (Ka=9.5×10^-8) and it's…

A: According to Henderson Hasselbalch equation ,we have pH = pKa + log[conjugate salt ]/[Hypothetical…

Q: A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M Co(NO3)2- Sodium…

A: Chemical precipitation is the process of conversion of a solution into solid by converting the…

Q: A sample of hydrogen occupies 331.0 mL at STP. If the temperature were increased to 518.0°C, what…

A: Given data; Initial volume oh Hydrogen = 331 mL Initial temperature = 273.15 K (Given that the…

Q: Write a balanced chemical equation for the dissociation of lithium bromide in water?(include phases)…

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Q: Draw the product of the reaction shown below. Use wedge and dash bonds to indicate relative…

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Q: Explain why graphite furnace atomisers provide enhanced sensitivity over flame atomisers in AAS…

A: Advantages of graphite furnace atomisers over atomic absorption spectroscopy

Q: Select all the following statements that are correct. X 8 X 8x X = Cl or Br 2 A. Compound 1 will…

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Q: Why is flame atomisation not very efficient when compared to other atomization methods?

A: A question based on analytical process that is to be accomplished.

Q: The pressure 60.0 m60.0 m under water is 6.90×102 kPa.6.90×102 kPa. What is this pressure in…

A: we have to calculate the pressure in atm and mmHg

Q: Biochemistry Molecular 1. How did scientists discover the genetic code? 2.Is the genetic code…

A: Question 1 --> The discovery of the double helix structure of DNA by James Watson and Francis…

Q: What is the total pressure of this system at 179°C? Temperature Pressure of 1,2-propanediol…

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Q: Draw all likely alkene products in the following reactions and circle the product you expect to…

A: Where there is small base elimination leads to formation of greater substituted alkene. In the case…

Q: (i) (ii) A high-temperature nitrous oxide-acetylene flame is sometimes required in a flame- AAS. A…

A: 1) High temperature nitrous oxide-acetylene flame is sometimes required in a flame AAS because they…

Q: Does doubling the concentration of an alkylhalide and maintaining the alkoxide concentration double…

A: Given that, the alkoxide (RO-) reaction with alkyl halide (R'-X). We have to answers What happened…

Q: A mineral contains 6.6% (w/w) of K20. What weight of this mineral must be taken to obtain a KCIO4…

A: Mass of KClO4 required to precipitate = 0.4100 g  Molar mass of KClO4 = 138.55 g/mol