Assuming a 0.010 M EDTA titrant solution, calculate the mass of pure dry CaCO3 standard to use such that the volume of titrant needed to reach the endpoint will be about 25 mL if one mole of calcium carbonate reacts with one mole EDTA.

Q: Using the table of the weak base below, you have chosen Aniline as your weak base in the buffer…

A: Given: Buffer solution of weak base aniline (assuming B) and its conjugate acid HB+. pH of solution…

Q: Which of the following is NOT expected to result in an efficient crossed aldol condensation…

A:

Q: At a particular temperature, K = 3.75 for the following reaction. SO₂(g) + NO₂(g) = SO3(g) + NO(g)…

A:

Q: How many mL of 0.637 M HI are needed to dissolve 8.01 g of MgCO3? 2HI(aq) + MgCO3(s) MgI₂(aq) +…

A: Given-> Molarity of HI = 0.637 M Weight = 8.01 gm

Q: pkal pK₂2 Phosphoric acid, H, PO, (aq), is a triprotic acid, meaning that one molecule of the acid…

A:

Q: Predict the products when 1-propanol is heated in the presence of H*. H H₂SO, 1-propanol catalyst H…

A: n-propanol on heating with H2SO4 produces 1-propene at higher temperature. n-propanol on heating…

Q: Select the meta-substituted dibromobenzene Br Br Br Br & § Br Br B C A B C D A Br D Br

A:

Q: Draw the structure of the major organic product of the reaction shown. Select Draw KMnO heat H C…

A: In this question we have to tell the major organic product of the reaction.

Q: Problem 4: Given the following reactions and their enthalpy changes, calculate the enthalpy change…

A:

Q: What is the volume of gas in liters at 1.00 atm if it originally occupies 2.00 L at 158 mmHg?

A: We will use the formula as :- P1V1 = P2V2

Q: A titration of a solution of a diprotic acid H2C3H2O4 with 0.955M NaOH required 33.1mL to reach the…

A:

Q: Enter electrons as e. Use smallest possible integer coefficients. If a box is not needed, leave it…

A:

Q: The complex was synthesized with the formula [Co(CO)2(CN)2Br2] The spectre infrared shows two bands…

A: The complex synthesized is: [Co(CO)2(CN)2Br2]

Q: Why is the value of the Ksp for 0.01 g PbCl2 and 1.00 g PbCl2 the same after adding 0.10 M NaCl?

A: Due to common ion effect.. It is independent of the concentration of PbCl2

Q: The gre ench chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a…

A:

Q: if 23.1g of NaOH ( MM= 40.00g/mol) are added to a 500ML volumetric flask, and water is added to fill…

A: Given :  Mass of NaOH = 23.1 g  Molar mass of NaOH = 40.00 g.mol-1  Volume of solution = 500 mL  To…

Q: efficiency

A: We know that, In chromatography, column efficiency is measured in terms of number of theoretical…

Q: 6. CH₂ H OH OH 1. HIO --7 H₂0, THE

A:

Q: Please help me fill out the rest of the chart. Show work.

A: The given table is needed to be completed.

Q: Question 32 of 40 < View Policies Current Attempt in Progress This chapter covered many C-C…

A: 1. Robinson annulation : Michael addition followed by aldol. 2. Retro aldol followed by…

Q: reaction 3+ 3+ Fe³+ (aq) + 6H₂O(l) → Fe(H₂O) (aq) 6 3+ 3+ Al³+ (aq) + 6 H₂O(1) → Al(H₂O)™ (aq) 6…

A:

Q: if 34.1g of Nal (MM= 149.89g/mol) are added to a 500.0mL volumetric flask, and water is added to…

A:

Q: The concentration of concentrated hydrochloric acid (HC1) is around 32 percent mass by volume.…

A: Given, Density of HCl - 1.2 g/mL Density of water - 0.997 g/mL Solution contains- 32 g HCl in 100 mL…

Q: Q. 1. In the laboratory of chemistry, nickel was estimated gravimetrically by a student. He…

A: Answer: i)  Reaction is given in step no. 2    ii) Due to Hydrogen bonding no. of chelate rings in…

Q: Calculate the [H] and pH of a 4.73 x 10 M iodoacetic acid solution. The K, of iodoacetic acid is…

A: Given : Concentration of iodoacetic acid = 4.73 x 10-4M

Q: 6) C,H,X in this compound 100 80 MASS SPECTRUM 0.0 40 120 80 m/z NIST Chemistry WebBook…

A: Note : M:M+2 ratio is 1:1. Therefore the compound is having bromine atom. m/z = 43 belongs to propyl…

Q: If a gas with a volume of 10mL and a pressure of 236 torrs inside a dewar flask is opened to an…

A:

Q: Supply the product for the coupling between 1-naphthol and the diazonium salt from sulfanilic acid.…

A: When 1-naphthol is treated with any diazonium salt of benzene then orange or red dye is formed as -

Q: Step 6 of 7 Determine In(Q) using the equation for Q from Step 5. (Use the following as necessary:…

A: HERE m is mass,KB is Boltzman constant, T is temperature, V is volume, h is plank const, e is charge…

Q: An allylic free radical halogenation occurs to give the major product shown. Note NBS is a source of…

A:

Q: What is the Common Crystal Habits of the following: - Pyrope - Almandine - Spessartine - Uvarovite -…

A:

Q: + 0 |||

A: 1. Acetylene on reaction with NaNH2 and methyl iodide produces methyl acetylene. Methylacetylene on…

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

A:

Q: Provide all products AND mechanisms for the following reactions (no transition states or energy…

A: Given reactions are : Provide all products and mechanism of the given reactions = ?

Q: Differentiate frutescent and suffrutescent

A:

Q: A 10.0 L tank at 0.6 °C is filled with 3.23 g of sulfur tetrafluoride gas and 17.3 g of dinitrogen…

A: Given: Volume of tank = 10.0 L Temperature = 0.6 oC Mass of sulfur hexafluoride i.e. SF6 = 3.23 g.…

Q: In the Lewis dot formula that minimizes formal charge, how many bonds are there in the tetrathionate…

A:

Q: Calculate the potential developed by a voltaic cell using the following reaction if all dissolved…

A: Calculate the potential developed by a voltaic cell using the following reaction if all dissolved…

Q: 2 NO (g) + O₂ (g) --> 2 NO2 (g) The proposed mechanism for the reaction above is 1) NO (g) + NO (g)…

A: Answer: For a multistep reaction, slowest step is always the rate determining and since, over here…

Q: 2. Water will evaporate rapidly at higher temperatures. What effect would the evaporation of water…

A: We are to discuss the effect of evaporation of water at high temperature on the temperature at which…

Q: synthetic route + 0 |||

A:

Q: 5) C,H,X in this compound MASS SPECTRUM 100 80 60 40 20 0.0+ 20 40 60 80 100 m/z NIST Chemistry…

A: Note : M: M+2 ration is 3:1. Therefore the compound is having chlorine atom. m/z = 77 belongs to…

Q: 18. (R)-Butane-1,2,4-triol 19. 2-Chlorohex-3-yn-1-ol 20. (1R,2R)-Cyclopentane-1,2-diol

A: Note : as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: Which of the following is not a feature of the Nickel - Cadmium (Nicad) Cell? O a. During discharge,…

A:

Q: Using the table of the weak base below, you have chosen Pyridine as your weak base in the buffer…

A: We have find out the values of PKb by using formula PKb= -log kb.

Q: Balance the reaction between Fe and NO3 to form Fe2+ and NO in acidic solution. When you have…

A: We are to balance the reaction Fe + NO–3  →    Fe+2 +  NO in an acidic medium.

Q: Calculate AG and the equilibrium constant for the following reaction at 298 K: Zn²+ (aq) + Ni(s) →…

A: The ΔG° and equilibrium constant are related to E°cell value of the cell reaction as - ΔG° = -…

Q: An electrochemical cell is designed using copper as one electrode and another metal higher than…

A: An electrochemical cell is designed using copper as one electrode and another metal.

Q: if 25.0g of NaOH is added to 0.750L of 1.00M Cd(NO3)2 how many grams of Cd(OH)2 will be fromed in…

A:

Q: Tat is the expe EtO O product for the following transformation? t-BuOK OEt A t-BuOH Br 1. NaOH, A 2.…

A: Note : DEM on reaction with t-BuOK produces compound A. Ester hydrolysis of compound A is done by…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.