Which among these is the most important piece of data in a gravimetric analysis?   Mass of analyte   Mass of weighing form   Mass of crucible   Mass of precipitating agent

Q: How is this incorrect and what is the correct mechanism?

A: Given : We have to tell what will be the correct mechanism.

Q: 1. The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality…

A: Given : Density of methanol = 0.976 g/ml molar mass of methanol = 32.04 g/mol Molarity of methanol =…

Q: Use the given standard entropy values to calculate the standard entropy change to convert hydrogen…

A: 1.) To calculate entropy change we would use given standard entropy values of all species.      Note…

Q: Question: Two intermetallic compounds, A3B and AB3, exist for elements A and B.  If the…

A: We are required to find the element B

Q: Identify the basic center from a , b, and c. And give explanation

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Q: An aqueous antifreeze solution is 52.0% ethylene glycol (C2H6O2) by mass. The density of the…

A: Given-> Percent by mass of ethylene glycol = 52.0 %  Density of solution = 1.067 g/cm3 = 1.067…

Q: What is the relationship between wavelength and frequency?   As wavelength increases frequency…

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Q: In the laboratory you are given the task of separating Ca2+ and Co2+ ions in aqueous solution. For…

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Q: Ksp for LiF is 0.00135. Determine the molar solubility of LiF in M

A: Given salt: LiF ------> Li+(aq) + F-1(aq) ksp(LiF) = 0.00135

Q: A mixture of CO(g) and O(s) in a 12-L container at 1.1x10 K has a total pressure of 21 atm Aher some…

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Q: Using the appropriate reagents and sequence of reactions, propose how you could get…

A: GIVEN:- Using the appropriate reagents and sequence of reactions, propose how you could get…

Q: The overall charge on the polyatomic "dichromate" ion (Cr207) is -2. What is the oxidation number of…

A: Dichromate ion  [Cr2O7]2- has two Chromium ions with 7 oxide ions  Each oxide ion has a charge of -2…

Q: Calculate the volume of a unit cell of Nickel in nm3. The volume of unit cell of Nickel is…

A:

Q: Convert each number to standard notation. 3.4x108 5.8220x10-5 3x102 6.860x10-8

A: Standard notation is the normal way of writing numbers as we generally use it. In this we neither…

Q: Which solid is the most soluble? a. AIPO4 (K = 9.84 x 10-21) b. CaSO4 (Ks, =4.93 x 10-5) c. AgI (Kp…

A: The higher the Ksp , the more soluble the compound.

Q: The osmotic pressure of an aqueous solution at 298 K is 99.0 kPa. Calculate the freezing point of…

A:

Q: 2. At 630°K the heat of sublimation of ZrBrą is 25,800 cal/mole, while the vapour pressure is 1 atm.…

A: Given,  Heat of sublimation, ∆H = 25800 cal/mol  Sublimation pressure at temperature, T1 = 630 K ;…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 x 10 years. Suppose…

A:

Q: Complete the following reactions (in structural formula) CH₃CHO + Schiff's Test --->…

A: Schiff test , Tollen's test and Fehling's test are used to detect the presence of aldehyde in…

Q: "hat is the Total presssure of the a mixture of 0.2 moles of gas A and 0.5 moles of gas B with equal…

A: Since you have posted question with multiple subparts as per guidelines we can answer only three per…

Q: a. For a solution of 0.206 mol of potassium dichromate in 0.500 L. What is the molarity and mass of…

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

Q: * 0∞ Consider the following data on some weak acids and weak bases: K. formula formula name 4. -4 -5…

A: As we know,   Acidic salt(Strong acid-weak base type) has pH less than 7.  Basic salt(Strong…

Q: 7.2.5 moles of Ni-56 initially exist. Find the number of moles of Co-56 and Fe-56 after 20 days.…

A: please put the link properly(extra information),I will solve your doubt for sure. Thanks and happy…

Q: Label each as either an element or compound. Ni NO2 HI

A: 1. Ni - This is an element of d-block with atomic number 28 in periodic table. 2. NO2 -This is a…

Q: Complete the following nuclear bombardment equation by filling in uclear symbol for the missing spe…

A: Here let us assume that missing species is B with atomic number z and atomic mass a  So equation can…

Q: How many molecules of ethane are in 3.2997 mol of ethane (C2H6)?  Enter your response rounded to 3…

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Q: pen belongs to industrial method 3) The "ether synthesis" whereas is the William's process. H,SO H…

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Q: Draw the structural formula for each of the following. 4-heptanone 3-chlorobutanal…

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Q: Freon-12 (CCI2 F2) is used as a refrigerant in air conditioners and as a propellant in aerosol cans.…

A:

Q: Which of the following will prevent the dissociation of silver chloride (AgCl) when also present in…

A: Common ion effect is the suppression of the degree of dissociation of a weak acid or a weak base by…

Q: The maximum amount of calcium carbonate that will dissolve in a 0.127 M ammonium carbonate solution…

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

Q: Which of the following steps should be followed when performing kinetics experiments? Choose all…

A: TRUE FALSE TRUE TRUE TRUE

Q: Which of the following molecules will readily undergo decarboxylation with mild heating? (Select all…

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Q: Ammonia can be made from the reaction of nitrogen and hydrogen: N2  (g)  +  3 H2 (g)      ⟺…

A: In an endothermic reaction heat is absorbed by the reactants in order to proceed and form the…

Q: 4. Sometimes protected species are not as "inert" as we think they might be. Provide a mechanism for…

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Q: 3. A lactory is pumpingihiercury bydroxide (Hg(OH)inta the Vocal lek a1,250 kilogram sample bf lake…

A:

Q: Which steps/ reagents are required to convert structure A to structure B? Please specify each step.…

A: Here we have to convert the compound i.e structure-A into structure-B by multistep reactions.

Q: Oxacarbazepine (C15H12N20) is used to treat epilepsy. NH2 What would happen to the equilibrium of…

A: Given: C15H12N2O is used to treat epilepsy. And C15H13N2O+ is added to the system.

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73x 10^3 years. Suppose…

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Q: 話 I I Iti 3. anion. Arswer the questions in the table below about the shape of the borate How many…

A: a.) To determine the number of electron groups around central Boron atom , we need to use valance…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 219. kJ during a…

A:

Q: The dissociation constant of ammonia is 1.8 x 10 -5. At 0.112 M solution concentration, find the…

A: Given,  The molarity of ammonia solution = 0.112 M.  The dissociation constant = 1.8 × 10-5

Q: 1.243 grans di bm ne ( dissolved ina 2ohkolaquedus olunon How manyP DABA

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

Q: Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction…

A:

Q: Carbamazepine (C15H12N20) is used to treat patients suffering from seizures. NH2 Starting with an…

A: Given: C15H12N2O is used. And C15H13N2O+ is being added in the solution.

Q: What is the half-life for the reaction at 620 K ? Express your answer to two significant figures and…

A: To calculate value of half life , we first need to find value of rate constant at given temperature.…

Q: The solubility of silver sulfate (Ag2SO4) in moles per liter can be expressed in terms of the…

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Q: NaOEt, ELOH (2)

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Q: Find the pH (with two decimal places) of a solution 2.36 M in NH3, and 2.88 M in NHẠCI For NH3…

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Q: Which of the following statements about combustion reactions is not true? C They can involve certain…

A: Option D is correct answer.

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.