Which of the following statements is important when assessing a gravimetric analysis? the desired substance must be completely precipitated. the precipitate should be of low solubility so that losses associated with dissolution of the precipitate are minimal. the stoichiometric relationship between the analyte and the precipitate must be known. all of the above.

Q: 9. The Friedel-Crafts alkylation of benzene often fails to provide only the mono-alkylated product…

A: Friedel-Crafts alkylation gives a mixture of mono and polyalkylated.

Q: Today's high is supposed to be 277K! WOW! What is that temperature in °C & °F?

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Q: A student recorded the following end-point volumes in a redox determination of ferrous iron against…

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Q: 1. Show the active electrophile in the EAS reaction and the mechanism for its formation for the…

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Q: MISSED THIS? Read Section 17.9 (Pages 765-769). Consider a 0.14 M solution of a weak polyprotic acid…

A: Given,  Molarity of H2A = 0.14 M Ka1 = 1.0 x 10–4 Ka2 = 1.0 x 10–6

Q: 9. A gas exerts a pressure of 0.975 atm when at 20.0°C and in a 1.75 L vessel. A. How many moles of…

A: Welcome to bartleby ! As per company rules we can't answer more than one question .So, I have…

Q: (a) (b) (C) ve formal charges to each atom in each structure lect one structure as best and explain…

A: Formal charge is calculated by using the formula  Number of valence electrons -number of non bonding…

Q: What is the Ke for the following equilibrium at 1000°C, CO(g) + 3H₂(g) = CH4 (9) + H₂O(g) [H₂] =…

A: • The given reaction is,     CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g)  • The values provided in the question…

Q: What is the correct Ksp expression for the sparingly soluble salt lead(11) chloride? Ksp = [Pb4+]…

A:

Q: 2. Rank the molecules below from most reactive in Diels-Alder reaction to least reactive. Explain…

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Q: If I perform this reaction with 25 grams of iron (III) phosphate and an excess of sodium sulfate,…

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Q: Four different substance each have identical masses. The specific heat capacities of these four…

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Q: A 18.79-ml aliquot of a 0.3974 M potassium hydrogen phthalate solution prepared from primary…

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Q: 2. Show the mechanism for the sulfonation of benzene. Cl,, AICI,

A:

Q: 4. Rank the following aromatic compounds in order of decreasing reactivity in electrophilic aromatic…

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Q: 2. Electron configurations a. Write the electron configuration and orbital diagram for Co. Identify…

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Q: Solubility measures the minimum about of a sparingly-soluble salt that will dissolve in water at 25…

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Q: Select all examples of Keg expressions in which the "eq" is replaced to make the Kexpression more…

A: GIVEN:-

Q: A student recorded the following end-point volumes in an iodometric titration using starch…

A: Titration error is  -3.89 x 10-4  .

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Q: Repeats of 12.64 mL samples of a 0.2937 M primary standard zinc ion solution were titrated with an…

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Q: 8. A balloon filled with helium gas occupies 8.41 L at 1.00 atm and 30°C. What will its volume be if…

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Q: A student used two balances to measure the mass of a standard weight with a mass of exactly 100.00 g…

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Q: Sulfur trioxide is formed from the reaction between sulfur dioxide and oxygen: 2 SO2((g)) + O2((g) =…

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Q: 1) Magnesium fluoride (MgF2, MW = 62.30 g/mol) is slightly soluble in water, with Ksp = 7.4 x 10-¹¹…

A: Information of question

Q: An ASA tablet was boiled in 1.0 M NAOH solution following the procedure in this experiment. The…

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Q: Balance the following oxidation reduction reactions: i. Cr2O72-(aq) + Cl-(aq) → Cr3+(aq) + Cl2(g)…

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Q: Part A For the reaction N₂(g) + 3H₂(g) = 2NH3(g) what is the value of Kc at 500 °C if the…

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Q: Part A The equilibrium constant, Ke, for the reaction of iodine bromide to form iodine and bromine…

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