A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and diluted to 500.00 mL in a volumetric flask. What is the concentration of aspirin in the solution?  If an 8.00mL sample of this solution was pipetted into a volumetric flask and diluted to 100.00mL, what is the concentration of aspirin after this dilution?

Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium…

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we…

Q: . Solid sodium fluoride is slowly added to 125 mL of a 0.111 M calcium bromide solution until the…

A: The solubility product of salt is a constant at a given temperature irrespective of the source from…

Q: What is the molarity of a solution in which 10.8 grams of magnesium chloride is dissolved in enough…

A: Molarity is the concentration of solution which expressed the number of moles of solute present per…

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: Calcium nitrate  (Ca(NO3)2 ; MM =164.0878 g/mol)) dissolves in cold water to the extent of 266 g per…

A: Given: Calcium nitrate [Ca(NO3)2] dissolves in cold water to the extent of 266 g per 100 mL Ca(NO3)2…

Q: What is the mass % of propylene glycol in a 2.77 M solution of propylene glycol (MM = 76.09 g/mol)…

A: Mass percent shows the mass of solute present during a given mass of solution.  Mass percent is…

Q: What is the concentration of an aqueous sodium sulfide solution that is prepared by dissolving 18.6…

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Q: What is the molarity of a solution where 0.082 grams of sodium chloride was dissolved in water to…

A: Since you have posted multiple questions, we will solve the first one for you. Kindly post the…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A:

Q: 1.A solution of zinc nitrate is added to a solution of magnesium sulfate. 2.You make 1.000 LL of an…

A:

Q: In the laboratory, a student dilutes 17.9 mL of a 8.42 M hydrochloric acid solution to a total…

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Q: In the laboratory you dissolve 12.2 g of magnesium iodide in a volumetric flask and add water to a…

A: Mass of magensim iodide = 12.2g Molar mass =278.114g/mol Moles of Magnesium iodide…

Q: 1. A solution of sodium bicarbonate is prepared by adding 45.00 g of sodium bicarbonate to a 1.00-L…

A:

Q: In the laboratory, a student adds 57.5 mL of water to 15.1 mL of a 0.508 M nitric acid solution.…

A: Given that 57.5 m L of water is added to 15.1 m L water. Then, the final volume of the diluted…

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Concentration of aspirin is expressed in term of molarity. Molarity is the number of moles of solute…

Q: In the laboratory, you dissolve 19.9 g of cobalt(II) chloride in a volumetric flask and add water to…

A: Given, amount of cobalt(II) chloride w = 19.9 g volume of solution V = 125 mL = 0.125 L we are asked…

Q: A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the…

A: Given,  Initial volume, V1 = 25 ml  Initial concentration, S1 = 3.0 M  Final Volume, V2 = 350 ml…

Q: A solution of bromine in dichloromethane contains 5.0 % bromine by volume. The density of pure,…

A:

Q: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality (N)…

A: %Purity = Pure mass x 100/Impure mass Number of moles = Molarity x Volume (L)

Q: grams of aspirin tablets are dissolved in water and titrated with the NaOH from an initial volume of…

A:

Q: A 10.00 mL sample of a test solution is diluted in an environmental laboratory to a final volume of…

A: The volume of the sample= 10.00 mL The concentration of the sample= c g/L The volume of the diluted…

Q: A 12.5 mL portion of a base solution of an element from Group 2A is diluted to 500 mL, and the…

A: Initial volume of base solution (of elements group 2A ) = 12.5 ml  New Volume of base solution = 500…

Q: In the laboratory, a student dilutes 12.8 mL of a 9.35 M perchloric acid solution to a total volume…

A: In the dilution process, the relationship between initial and final concentrations and volumes of…

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

Q: A 15.2-g sample of sodium carbonate is added to a solution of acetic acid weighing 19.4 g. The two…

A: Soln

Q: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: A 12.7 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Given data,Mass of sample=12.7gMolarity of NaOH=0.325MVolume of NaOH=24.2mL=0.0242L

Q: The concentration of chloride ions in a sample solution is 98 ppb. What is the mass in mg of…

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Q: In the laboratory, a student dilutes 25.6 mL of a 8.86 M perchloric acid solution to a total volume…

A: Given: final volume of solution(V2)=250 ml initial volume(V1 )=25.6 ml initial concenteration(M1) =…

Q: Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

A:

Q: You have 272.9 mL of a 0.174 M MgSO4 solution. What would the molarity of the resulting solution be…

A: According to the law of dilution, we can write: C1V1 = C2V2       ................... (1) where: C1…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Answer

Q: A 20.00 mL sample of 0.1015 M nitric acid is introduced into a flask, and water is added until the…

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Q: A concentrated perchloric acid solution is 69.8% HCIO4 by mass and its density is 1.68 g mL-1. What…

A: Using molarity formula and equation of dilution we can solve this problem.

Q: Enter your answer in the provided box. Calculate the composition of the following solution in…

A: The mass% is equal to the ratio of the mass of substance to the mass of solution. The formula…

Q: In the laboratory, a student dilutes 22.3 of 6.05 M perchloric acid solution to a total volume of…

A: By using the concept of law of equivalent ie;     M1V1=M2V2

Q: 1. A stock potassium dichromate solution (K,Cr,0,; molar mass is 294.2 g/mol) is prepared for…

A: the solution of pottasium dichromate is given

Q: A 66.7 mL sample of 18.0 M sulfuric acid was diluted with enough water in a volumetric flask to make…

A: We know, Vinitial x Sinitial = Vfinal x Sfinal Therefore, Sfinal = (Vinitial x Sinitial) / Vfinal…

Q: You are given solutions of HCl and NaOH and must determine their concentrations. You use 30.0 mL of…

A: The given problem can be solved by the following steps: 1. Calculation of molarity of NaOH from the…

Q: You are making 750 mL of a 0.7 M Ca(OH)2 solution.  How many moles of Ca(OH)2 will be added?  How…

A:

Q: In the laboratory you dissolve 15.8 g of nickel(II) bromide in a volumetric flask and add water to a…

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

Q: You

A: You can used the formula direactly,  ( M2 • V2 ) resulting Solution = ( M1 • V1 )stock solution…

Q: Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is…

A: Given,  Volume = 30 ml                 = 30×10-3L = 0.03L Concentration of red pop = 3.03g/L To find…

Q: An aqueous solution of nickel(II) bromide, NiBr2, is made by dissolving 11.2 grams of nickel(II)…

A: Given-> Weight of nickel(2)bromide = 11.2 gm Volume = 250 ml

Q: A chemistry student weighs out 0.0960 g of phosphoric acid (H,PO4), a triprotic acid, into a 250. mL…

A: Given: Mass of H3PO4  = 0.0960 g Volume of H3PO4 solution = 250.0 mL = 0.250 L Molar mass of H3PO4 =…

Q: 1.3334 grams of Aluminum chloride was dissolved in distilled water up to 100 mL. What is the molar…

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Q: A typical dose of iron (II) sulfate (FeSO4) used in the treatment of iron-deficiency anemia is 0.35…

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Q: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality (N)…

A: Introduction: Molarity and Normality is often used to express the concentration of the solution.…

Q: An analytical chemist weighs out 0.264 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given data is as follows: The mass unknown diprotic acid = 0.264 g    The volume of water = 250 mL =…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Mass/Volume concentration is defined as mass of solute present per mL of solution. Concentration…