A student determined the concentration of copper by ion exchange. He obtained the following results: 28.61 mL of 0.0810 M NaOH solution was required to titrate the eluate (HCl solution) from the column. He used 15.0 mL sample of copper chloride solution initially. Calculate the number of moles of H+ present in the eluate.

Q: The following analytical procedures were used for the determination of chlorate (ClO3). 10.00 mL of…

A: The volume of chlorate solution A= 10.00 mL = 0.010 L The volume of 0.100 M AgNO3 added =  70.00 mL…

Q: A student determined the concentration of copper by ion exchange. He obtained the following results:…

A: Given : molarity of NaOH and volume of NaOH and volume of CaCl2.  To find : no. Of moles of…

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A: Concentration of Copper sulfate solution = mass of Copper sulfate/ Volume of solution

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A:

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A: The solid

Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

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A: The question is based on the concept of molarity.Molarity is a method of expressing concentration of…

Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A:

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: Given data is as follows: The mass of oxalic acid = 237 mg = 0.237 g The volume of distilled water =…

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A: The values are given as follows:

Q: The solubility of the hydroxide of a hypothetical metal, Me, in water is 137.48 g MeOH per 45.27 mL…

A: The amount of water needed to dissolve the given amount of hydroxide is as-

Q: mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and…

A:

Q: The length of a stearic acid moleucle can be estimated using the data obtained in this experiment…

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A:

Q: An unknown amount of acid can often be determined by adding an excess of base and then…

A: The number of protons obtained from the mixture are,

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A: We will use stoichiometry of the reaction to get the answer.

Q: The hydronium ion concentration in a sample of springwater is found to be 5.2 ✕ 10−6 M at 15°C. What…

A:

Q: student determined the concentration of copper by ion exchange. He obtained the following results:…

A: Given: Volume of NaOH = 27.73 mL Concentration of NaOH = 0.0582 M Volume of CuCl2 = 72.7 mL

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Q: 42.1 mL of 1.41 M hydroiodic acid is added to 29.3 mL of barium hydroxide, and the resulting…

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A: Answer :-  Molarity of original H2SO4 solution = 1.207 M…

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A:

Q: A chemistry student weighs out 0.0310 g of phosphoric acid (H, PO,), a triprotic acid, into a 250.…

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Q: A 25.00 mL sample of 0.125 M sulfuric acid solution is titrated with 0.500 M sodium hydroxide…

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A:

Q: A 0.261 g sample of NaHC2O4 (one acidic proton) required 17.5 mL of sodium hydroxide solution for…

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A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: By titration it is found that 35.7 mL of 0.101 M NaOH(aq) is needed to neutralize 25.0 mL of…

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A: Here we are required to find the Molarity of chloride ion in the unknown sample

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A:

Q: The nitrogen and protein content of a 0.757 g sample of flour sample was analyzed using Kjeldahl…

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Q: We now know the moles of hydroxide used in the titration. But, remember that, of the 100 mL of…

A: Answer:-This question is answered by using the simple concept of calculation of moles the the…

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Q: The following solutions are needed to be prepared for the titration procedure: 1. 20 mL of 2 M HCl…

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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.