ILMatch each item with the correct statement below. a. integrated rate law b. Buffers c. leclanche dry cell d. differential rate law e. activation energy 47. It depicts the dependence of the rate of reaction on reaction. 48. The minimum amount amount of energy that is required by a given chemical reaction to yleld the desired product. 49. It is a solution that resists drastic changes in the pH of the solution even when an acid or a base is added. 50. It produces electricity of up to 1.5 V.

ILMatch each item with the correct statement below. a. integrated rate law b. Buffers c. leclanche dry cell d. differential rate law e. activation energy 47. It depicts the dependence of the rate of reaction on reaction. 48. The minimum amount amount of energy that is required by a given chemical reaction to yleld the desired product. 49. It is a solution that resists drastic changes in the pH of the solution even when an acid or a base is added. 50. It produces electricity of up to 1.5 V.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter12: Gravimetric Methods Of Analysis

Section: Chapter Questions

Problem 12.26QAP

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The efficiency of a particular catalyst is highly dependent on its zirconium content. The starting material for this preparation is received in batches that assay between 68% and 84% ZrCl4. Routine analysis based on precipitation of AgCl is feasible, if having been established that there are no sources of chloride ion other than the ZrCl4 in the sample. (a) What sample mass should be taken to ensure an AgCl precipitate that weighs at least 0.400g? (b) If this sample mass is used, what is the maximum mass of AgCl that can be expected in this analysis? (c) To simplify calculations, what sample mass should be taken to have the percentage of ZrCl4 exceed the mass of AgCl produced by a factor of 100?
TypeFormulaKsp Solubility Product Constants (Ksp at 25 oC) TypeFormulaKspBromidesPbBr26.3 × 10-6AgBr3.3 × 10-13CarbonatesBaCO38.1 × 10-9CaCO33.8 × 10-9CoCO38.0 × 10-13CuCO32.5 × 10-10FeCO33.5 × 10-11PbCO31.5 × 10-13MgCO34.0 × 10-5MnCO31.8 × 10-11NiCO36.6 × 10-9Ag2CO38.1 × 10-12ZnCO31.5 × 10-11ChloridesPbCl21.7 × 10-5AgCl1.8 × 10-10ChromatesBaCrO42.0 × 10-10CaCrO47.1 × 10-4PbCrO41.8 × 10-14Ag2CrO49.0 × 10-12CyanidesNi(CN)23.0 × 10-23AgCN1.2 × 10-16Zn(CN)28.0 × 10-12FluoridesBaF21.7 × 10-6CaF23.9 × 10-11PbF23.7 × 10-8MgF26.4 × 10-9HydroxidesAgOH2.0 × 10-8Al(OH)31.9 × 10-33Ca(OH)27.9 × 10-6Cr(OH)36.7 × 10-31Co(OH)22.5 × 10-16Cu(OH)21.6 × 10-19Fe(OH)27.9 × 10-15Fe(OH)36.3 × 10-38Pb(OH)22.8 × 10-16Mg(OH)21.5 × 10-11Mn(OH)24.6 × 10-14Ni(OH)22.8 × 10-16Zn(OH)24.5 × 10-17IodidesPbI28.7 × 10-9AgI1.5 × 10-16OxalatesBaC2O41.1 × 10-7CaC2O42.3 × 10-9MgC2O48.6 × 10-5PhosphatesAlPO41.3 × 10-20Ba3(PO4)21.3 × 10-29Ca3(PO4)21.0 × 10-25CrPO42.4 × 10-23Pb3(PO4)23.0 × 10-44Ag3PO41.3 × 10-20Zn3(PO4)29.1 ×…
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