A saline solution contains 0.90 g of NaCl per 100 mL of solution. What is its molarity a. 0.15M b. 1.5 M C. 0.015 M 150 M

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Q: If K= 3.5 & K= 1.58 x 10 10, Suppose 100 ml of 0.010M aqueous amine is extracted with 200ml of benze...

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Q: Which of the following st ures is consist OH он но Structure A Structure B Structure C Stucture D Pr...

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Q: OH CHO b.

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Q: FeBra + Br2 H3C C-o- c CH3 A B (Para Product only) AICI3 OCH,CH3 CHO FeBr3 + Br2 Br- Br H2SO4 SO3 Нe...

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Q: Rank the compounds in each group according to their reactivity toward electrophilic substituti 1 = m...

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A: Given : We have to show the following conversion .

Q: (a) Choose the correct statement about density: O unit of density is g/L O compares the mass of an o...

A: The correct statement about density is given below

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Q: Ksp

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Q: The reaction 2A + 2B → M+ N has the rate law: Rate = k[A]². At 25°C, k = 0.0215 L mol 1 s1. If the i...

A: The reaction given is, => Given: Rate law of the reaction = K [A]2  Rate constant, K = 0.0215 M-...

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A: Which resulting solution would yield the lowest freezing point?

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Q: A precipitate of PbI2 is formed when 5 mL of 0.012 M Pb(NO3)2 is added to 5 mL of 0.030 M KI. It wa...

A: Since you have asked a question with multiple subparts, we will answer only 3 subparts for you. In o...

Q: A mixture was found to contain 1.50g NH4CI, 0.80 g NaCI, and 1.20 g SiO2. What is the percentage of ...

A: Given: Mass of NH4Cl = 1.50 g Mass of NaCl = 0.80 g Mass of SiO2 = 1.20 g

Q: [4] Consider the following mechanism for the reaction of nitric oxide and hydrogen: ki 2NO(g)+ H2(g)...

A: (a) Overall reaction                                         2NO(g) + H2(g) -----> N2(g) + 2H2O(g...

Q: 1) calculate the molar mass of ammonium thiosukfate

A: Since you have multiple questions as per guidelines we can answer one per session . If you want rema...

Q: hy at the atomic level why an electron is ejected when the blue light hits the metal. Be sure to inc...

A: Given : We have to explain why upon heating at metal electrons get ejected.

Q: What is the formula mass of CaSO4·½H2O?

A: Given, Formula mass of CaSO4·½H2O = ? Note: Atomic mass of Ca = 40.078 g/mol Atomic mass of S = 32.0...

Q: A piston/cylinder setup contains 1 kg of air at 20°C with an initial volume of V1=0.1 m3, as shown i...

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Q: This structure is loratidine, is a second generation antihistamine that is used in the management of...

A: Geometry of SP3 hybridization is tetrahedral

Q: Which of the following is not an oxygen-containing organic compound? A amine B acid halide (c) keton...

A: The organic compound structure is given below: Amine Acid halide  Ketone Ether  

Q: Fill in the gaps in the following table: Symbol P3- Protons 35 49 Neutrons 45 66 118 Electrons 46 76...

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Q: What is the dilution factor needed to change a 1:2 dilution to a 1:10?

A: To change 1:2 dilution to a 1:10, we have to dilute solution by a factor of 5.  

Q: assign a structure to each of the following three spectra. The structures are presented here.

A: From these three spectra, it is clear that there is present one peak for the ester carbonyl group in...

Q: The alloy brass contains lead as an impurity in the form of lead sulphate (PbSO,). By dissolving bra...

A: Since you have asked multiple questions, we will answer only first question for you. In order to get...

Q: Write the molecular formulas for the following structural formulas: (Write the formula using subscri...

A: We have to  calculate  no of carbon and hydrogen  in above molecule. 

Q: Ph Ph но Ph Ph Ph Ph 1.0 eq TIOH, DCE -Ph A Ph Ph Но Propose a reasonable mechanism using Baldwin Ru...

A: 5 - exo- tet is more favorable over 6 endo trig . This is well known as Baldwin's rule.  

Q: Comment on the general features of the 1H-NMR spectrum of isoamyl ester attached below

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Q: The carbocation electrophile in a Friedel-Crafts reaction can be generated in ways other than by rea...

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Q: Brzy l 2 H2O s0yleat NMO

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Q: when you pull the pluger of the syringe without needle, until it reaches 30mL, press your thumb on t...

A: Given: you pull the plunger of the syringe without a needle, until it reaches 30mL, press your thumb...

Q: U + 3 Br2 →  UBr6            What is my actual yield of uranium hexabromide if I start with 100 gr...

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Q: Data from a oxalate-permanganate titration to determine the amount of oxalate in a coordination comp...

A: Mass of complex sample used = 0.4 g Molarity of KMnO4 = 0.05 M Volume of KMnO4 used = 20.0 mL

Q: NH2 A. Absent v Pi delocalization B. Present CH hyperconjugation Lone-pair delocalization v Inductiv...

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Q: In an sp3 hybrid orbital, how many are pure atomic orbitals? A) none B) 1 2 D 3

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Q: Transformation of carbolic acid to o-hydroxybenzaldehyde. .cO.Me Protection Reduction Deprotection н...

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Q: A 5.00 g of N2 gas in a 4.00 dm^3 vessel by a pressure of 121.0 kPa. What is the temperature of the ...

A: Given: Mass of N2 = 5.00 g. Volume of vessel = 4.00 dm3 = 4.00 L                                    ...

Q: Which element is the most metallic? F Au Fr Li   What helps particles move?  Kinetic Molecular So...

A: First group elements are most metallic character.  so lithium (Li) is correct option.              K...

Q: Cyclohexane derivatives exist primarily in the most stable of the available chair conformations. Giv...

A: Most stable chair conformation is that faces least strain interaction.  Thus to draw the most stable...

Q: Consider the following situation:  You have a 50 L tank of compressed air at 15 atm and 100 ºC.  You...

A: ANSWER : Let be consider the total moles of gas = x  As 20 % oxygen is removed Then final moles of g...

Q: 1. Solve and choose the correct answer from the given choices: a. How many atoms of tin are found in...

A: 1. We have to calculate the number of atoms present in 3.5 moles of tin, Sn. We know that 1 mole of ...

Q: Experiment [H2] (torr) (ICI) (torr) Rate (torr/s) 250 325 1.34 250 81 0.331 50 325 0.266

A: Given : We have to calculate the rate .

Q: 2 NaCl + CaO →  CaCl2 + Na2O    What is my theoretical yield of sodium oxide if I start with 20 gr...

A: The balanced reaction given is, => 2 NaCl + CaO → CaCl2 + Na2O Given: Mass of CaO reacting = 20 g...

Q: select the matching answers that apply to stereoisomers, constitutional isomers, and conformational ...

A: The compounds with the same molecular formula but the bonds connectivity is different, known as cons...

Q: What is the purpose of NaOH and 3% H2O2 in the separation of aluminum, iron (3+) and chromium ? Why...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: How many moles CO2 is produced by the complete combustion of 58g of butane (C4H10)? 2C4H10 + 13O2 →...

A: Butane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical r...

Q: Considering the Ammonium ion, construct the SALCS of this cation and also the MO orbital diagram for...

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Q: Calculate the [H+ ] in solution of the following pH: a. 3.00 b. 10.53.

A: Given : We have to calculate [H+ ] for the following