Which of the following statements about precipitation requirements is incorrect?*   a. The precipitant and the substance that will be precipitated must react fast.   b. Co-precipitation effects shouldn't have an influence on the outcome of the titration.   c. Precipitates should not be insoluble.   d. The endpoint of the titration is determined using an appropriate indicator.

Q: A 350 Ml BUFFER SOLUTION WAS PREPARED BY A CHEMIST BY MIXING A 0.135 m ch3cooH AND 0.100 m cHcooK.…

A:

Q: НО. OH +ATP HO. -PP₁ R- 10x== -CO₂ O-AMP R R TR- - AMP O-AMP O-AMP

A:

Q: 3. During a pitot traverse of a duct, the following velocity pressures, in millimeters of water,…

A: Average and standard deviation can be calculated using their formula and give data set.

Q: Atomic Wt:   O = 15.999 As = 74.922  H = 1.008 Na = 22.990I = 126.904 C = 12.011   1. Which of the…

A: Oxidation : Loss of electrons with increase in the oxidation state .Reduction : Gain of electrons…

Q: 22. When the following solutions are mixed, which will NOT form a precipitate? A. FeSO4(aq) +…

A: As per our guidelines, we are supposed to answer only one question. Kindly, repost other question as…

Q: Of the choices given below, which S° values are (or seem to be) wrong? (1) CrO3(s)…

A:

Q: Balance the chemical equation. Note that you must select "1" if that is the correct coefficient,…

A: Here we are required to balance the given reaction

Q: 5. Draw the perspective structure of 1,3-dibromobutane and label any asymmetric carbon atoms with a…

A:

Q: Draw the product of this reaction. Ignore inorganic byproducts. H HO H OH H OH OH CH₂OH [H] Draw…

A:

Q: In scenario C, visible light is in the middle of the yellow region of the visible spectrum. Estimate…

A:

Q: shown below. Predict the major product for each reaction. Ignore any inorganic byproducts. Select to…

A: The above given reactions are reactions of alkyne (3-methynebut-1-yne) with different  reagents.…

Q: Give the major peak that would be present in the functional group r following compounds: 2800 Y OH…

A: 1) C-H of alkane have =3000 - 2850 cm-1 (streching) 2) O-H of carboxylic group have frequency values…

Q: 2. A 20.00 mL solution of 0.1000M monofunctional weak base, hydroxylamine (HONH₂), (Kb = 9.1 x…

A:

Q: C1. A carefully weighed 280mg Calcium carbonate was used in the standardization of an EDTA solution.…

A:

Q: (c) (i) Draw the possible resonance structures for the cyanate ion, CNO'. (ii) Determine the stable…

A:

Q: 1. The solubility of lead II chloride is 1.06 g/100 ml. Explain how you would make 1 liter of a…

A: In case of making the solution we should calculate the amount of solute which we should add in the…

Q: Balance the chemical equation. Note that you must select "1" if that is the correct coefficient,…

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: 3. In the following synthetic sequence, identify the compounds A, B, and C abla Ph Ph -OCH, Jo.…

A: Here we have to predict the major products formed in the following sequence of reactions. In strp-1…

Q: TRUE OR FALSE.  1The color of permanganate solution renders impossible accurate readings at the…

A:

Q: Ethanol Sample orange/grayish Isopropyl alcohol (2-propanol) orange mayish 1-pentanol gray no Ohange…

A: (4) The Jones test utilizes chromium trioxide in the presence of sulfuric acid to act as a powerful…

Q: A. calculate the sot and the POH FOR 0.118 M solution of Heloy

A:

Q: The rate of effusion of CO₂ gas through a porous barrier is observed to be 3.71 x 10 mol/h. Under…

A:

Q: What is the expectecocentration of OH in a saturated calcium hydroxide solution? Ksp of calcium…

A: We have to predict the expected concentration of the hydroxide ion in solution. Concept:  We are…

Q: What is the mass percent of NaCl when 5.00 g of NaCl is dissolved in 95.0g of water?

A: Mass percent is one of the methods to express the concentration of a solution . It is calculated by…

Q: The heat of vaporization AH of heptane (C₂H₁6) is 31.2 kJ/mol. Calculate the change in entropy AS…

A: Given,  The heat of vaporisation of heptane, ∆Hv = 31.2 kJ/mol           = 31.2x103 J/mol  Mass of…

Q: X-Ray

A: X-ray diffraction analysis (XRD) is a technique used in materials science to determine the…

Q: но HO ۱۱۱۱۱۱۱

A:

Q: 2) For each of the following reactions, list three ways in which the rate of the reaction could be…

A: The rate of reaction is the speed at which a chemical reaction takes place. It is defined as…

Q: (b). Compound A a key unit of a prescribed drug for treating sleeplessness (insomnia). -N1 N²…

A:

Q: When 50.00 mL of 0.1000 M of the weak acid was titrated with 0.1000 M NaOH, which of the following…

A: Here we have to determine the weak acid ( 50 ml of 0.1 M )  which gives steepest slope at equivalent…

Q: The reaction A(aq) ---> B(aq) + C(aq) is a first order reaction. The half-life of A(aq) is 85.2 s at…

A:

Q: 16. Calculate the pH at the equivalence point in the titration of 25 mL of 0.10 M formic acid with a…

A:

Q: Are the following stabilised by resonance? A) C2H4 B) CHFO

A: Resonance structure are combination of Lewis structures that describe the delocalisation of…

Q: 1 Calculate the pH if the pOH = 13.30 #2 Calculate the pH if the [H+] = 5.67 × 10-6 #3…

A:

Q: 1. 3. NBS, heat ROOR NBS, heat ROOR ? ?

A: Allylic and benzylic bromination is the substituion a hydrogen atom  on an allylic carbon or on a…

Q: 3. Build and name three alkynes that have the formula CsH8. (What do you notice about the geometry…

A:

Q: Without using a calculator, arrange the samples in order of increasing numbers of carbon atoms.…

A:

Q: 2. For each of the following compounds draw a three-dimensional representation. a)…

A: -> If there is chiral center then it has specific configuration .

Q: 1.A student masses an unknown hydrate sample and finds there are 5.00g of hydrate. After dehydrating…

A:

Q: What is ΔSsys for a condensation phase transition at 26.5 °C for a compound that condenses at 26.5…

A:

Q: A 0.1000 M solution of KHC204 is 0.1000 N in acid-base reaction with 0.1000 M NaOH. What is its…

A: The equation for the reaction of KHC2O4 with NaOH is: KHC2O4(aq) + NaOH(aq) →C2O42-(aq) + H2O(l) +…

Q: 1. 2. CI 3. H3O, heat 4. . AICI3 5. H30*, heat NaOH سنز OEt , NaOEt Work out the synthesis on a…

A: 1st Friedelcraft's acylation of benzene occurs to given benzaldehyde . Then aldol condensation…

Q: Write the balanced equation for the following situation. List the reaction type. Tell the amounts of…

A: Given: Mass of silver nitrate = 3.577 Gg Known: Molar mass of silver nitrate = 169.87 g/mol Mass of…

Q: 2 Al3+ (aq) + 2 Fe(s) → 2 Al(s) + 3 Fe2+ (aq) O This is not an oxidation-reduction reaction. O A13+…

A: In this question we have to tell the reducing agent and oxidizing agent in the given reaction.

Q: At what pH does EDTA become a strong complexing agent? * 04 06 8 10 Which best describes the…

A: Ethylenediaminetetraacetic acid (EDTA) is a metal-chelating agent and binds metals such as chromium,…

Q: Vitamin C contains 40.92% C, 4.58% H, and 54.50% O by mass. What is the empirical formula of…

A: Empirical formula and molecular formula: Empirical formula: it can be defined as the simplest whole…

Q: Spectrum A ¹H triphenylmethanol @ 500 MHz solvent: CD 8.5 8,0 7.5 7.0 a. HA b. HB c. Hc d. Ho e. HE…

A: To predict the splitting pattern of each hydrogen of the given triphenylmethanol structure.

Q: [A] For the following reaction: a. A ti time ->> tr products (A) t₂ How the rate is dependent on…

A: The rate law for a reaction is written as  Rate = k [A]n where, k = rate constant , [A] = reactant…

Q: Which of the following will have the stronger bond? B2 or B+2

A:

Q: Calculate the volume in liters of a 0.181 mol/L potassium permanganate solution that contains 325.…

A:

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.