0.3354 g of  ethambutol hydrochloride tablet powder was weighed Volume e of acetous perchloric acid required to titrate ethambutol hydrochloride = 14.2 mL Concentration of acetous perchloric acid = 0.1014 weight of 20 tablets = 3.367 g stated content of ethambutol hydrochloride per tablet = 100 mg. Calculate the % of stated content in the tablets.

Q: Suppose 35.7 g of iron(II) iodide is dissolved in 350. mL of a 0.40 M aqueous solution of silver…

A: Here we are required to find the final Molarity of iodide ions.

Q: A student is asked to perform a neutralization reaction between hydrochloric acid, HCl, and sodium…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A 0.702 g0.702 g mixture containing only sodium chloride and potassium chloride was dissolved in…

A: First calculate mole of each substance by dividing molar mass to the mass then calculate mole of…

Q: total acidity in water samples can be determined by neutralization with standard sodium hydroxide…

A:

Q: uppose 7.94 g of ammonium sulfate is dissolved in 100. mL of a 0.70 M aqueous solution of sodium…

A:

Q: An antacid tablet contains Aluminum hydroxide and an inert binding agent. The mass of the Aluminum…

A: In the chemical reaction, the number of equivalents of acid and base are equal. The number of…

Q: A 11.00 gram sample of Vodka was analysed for its alcohol content. The sample was placed in a300 mL…

A: The volume of 1.00 L is equal to 1000. mL. The number of mole (n) of Cr2O72- is calculated as shown…

Q: 100.0 mL of an aqueous solution containing 0.250 M KOH(aq) is mixed with 100.0 mL of an aqueous…

A: First of all, we need to write down the balanced chemical.  The molar mass of Fe(OH)3 = 106.87g/mol

Q: A 0.9178 g mixture of calcium bromide and sodium bromide was treated with silver nitrate to form…

A: The objective of this question is to determine the starting percent by mass of sodium bromide in the…

Q: 471 mL of 2.013 M linthium baltimide (LiBr, 84.781 g/mol) is combined with 380 mL of 6.582 M shorium…

A: Calculation

Q: 715 mL of water was added to 40.0 mL of 0.550M MgCl4 solution. Assuming the volumes are additive,…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: 1)You wish to make a 0.386 M hydrochloric acid solution from a stock solution of 3.00 M hydrochloric…

A:

Q: To increase the acidity of soil you can add peat, which contains a complex diprotic acid known as…

A: The titration for acid-base mainly works in analyzing the unknown potential of an alkali/acid. This…

Q: 2.) 4.75 mL of H20, 3.75 mL of an aqueous 0.030 M SCN" solution, and 12.00 mL of an aqueous 0.015 M…

A: We write down the given data: Initial concentration=0.015M  Initial volume=12.00ml Final…

Q: 0.05 g of acetyl salicylic acid has been dissolved to the volume 25.00 ml to create a stock…

A:

Q: A 22.58-mL sample of sulfuric acid from an automobile battery requires 34.03 mL of 1.95 M  sodium…

A: The objective of this question is to find the molarity of the sulfuric acid solution. Molarity is a…

Q: In standardizing a solution of NaOH (40 g/mol) against 1.431 g of KHP (204.22 g/mol) the analyst…

A: Volumetric analysis is a method in which the volume of a substance is determined by measuring its…

Q: A sample of 5.11 g5.11 g of solid calcium hydroxide is added to 32.0 mL32.0 mL of 0.500 M0.500 M…

A: HCl        +        Ca(OH)2      →        CaCl2              +          H2O    on reactant side…

Q: To prepare a solution of 48.9 mM sucrose, a student combines 43.0 mL of a sucrose stock solution…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: How many grams of KClKCl must be added to water to create 5.0 LL of an 0.020 MM KClKCl electrolyte…

A:

Q: In the laboratory, a student dilutes 15.3 mL of a 6.04 M hydroiodic acid solution to a total volume…

A: Given data :   Initial volume (V1) = 15.3 mL  Initial Concentration = (M1) = 6.04 M   Final volume…

Q: In the laboratory, a student dilutes 17.8 mL of a 8.25 M hydroiodic acid solution to a total volume…

A: Given: Concentration of concentrated HI solution = 8.25 M Volume of concentrated HI solution = 17.8…

Q: A 27.00 mL sample of sodium hydroxide was titrated (neutralized) with 31.7 mL of 0.150 M sulfuric…

A: In an acid-base neutralization reaction, the H+ ions of the acid neutralized by equal moles of OH-…

Q: 4.91 mL of NaOH solution was required to reach the endpoint when titrated against 0.1005 g of…

A: Here 4.91 ml of NaOH solution was required to react with 0.1005 g of KHP dissolved in 50ml water.We…

Q: Following the procedure, a student recorded the initial volume of NaOH in his buret as 1.43 mL. He…

A: Titrimetric analysis involves the determination of the volume of a solution of known concentration.…

Q: You are asked to prepare a 0.8500 M solution of aluminum nitrate. You find that you have only 50.00…

A: From given mass the number of mole is determined by using formula n = m/M.= 50.0g/213 g mol-1 =…

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

A: Please find your solution below :

Q: This question requires a numerical answer. Do NOT include units with your answer. Give your result…

A: Final concentration of chloride can be calculated from the total moles of chloride present in…

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

A: Molarity is the number of moles of solute upon the volume of solution in liters. Moles is determined…

Q: the laboratory, a student dilutes 28.1 mL of a 8.85 M hydrobromic acid solution to a total volume of…

A: In this question, we will determine the concentration of dilute solution.  You can see the whole…

Q: You were tasked to prepare nitric acid with a concentration of 1.28 M. What will be the volume (in…

A: Recall the data, M1=1.28M, V1=? M2=3.0M , V2=139 ml

Q: Following the procedure, a student recorded the initial volume of NaOH in his buret as 1.41 mL. He…

A: Given: Initial volume of NaOH in the burette= 1.41 mL Final volume of NaOH in the burette= 12.91 mL…

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A:

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A: The given reaction is: 2AgNO3aq+MgCl2aq⇌2AgCls+MgNO32aq According to the above chemical reaction, 2…

Q: A phosphate solution is prepared by mixing 0.2 M Monosodium phosphate (NaH2PO4) stock solution and…

A: Here, the final solution volume is 10 mL.

Q: The active ingredient in a zinc nutritional supplement is ZnSO, · 7 H,O (molar mass = 287.58 g/mol).…

A:

Q: A student made 10.0 mL of a 0.750 M solution in the following way. First, the student took some…

A:

Q: 35.0 mL of 0.325 M AgNO3 is added to 50.0 mL of 0.125 M MgCl2. Assuming all volumes are additive,…

A: Following formula will be applied to calculate the resultant molarity of the solution(M) :-…

Q: f you weighed 0.9867 g of Zn pellets and prepared a standard solution in a 250.0 mL volumetric…

A: Molarity of solution is the ratio of the moles of solute to that of volume of solution.

Q: One half liter (500.0 mL) of 2.50 M HCl is mixed with 250.0 mL of 3.75 M HCl. Assuming the total…

A:

Q: A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning the…

A: Given :-A 230.0 mL sample of a 0.275 m solutions is left on ahot plate overhight, the following…

Q: A student prepared a Kool-Aid solution from 1.3151 g of Kool-Aid in a 100mL volumetric flask. In an…

A: The concentration of citric acid in 100 mL of prepared solution of Kool-Aid is determined as…