A 78.00 mL sample of 0.76 M nitric acid is introduced into a flask, and water is added until the volume of the solution reaches 250. mL. What is the concentration of nitric acid in the final solution? (Express your answer in 3 significant figures

Q: In the laboratory you dilute 4.23 mL of a concentrated 12.0 M hydroiodic acid solution to a total…

A: Given  Initial Volume ( V1 )             = 4.23 mL  Initial Concentration ( M1 ) = 12 M  Final…

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: A 25.0 mL sample of a 30.0%(v/v) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

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Q: In the laboratory you dilute 4.46 mL of a concentrated 6.00 M hydrochloric acid solution to a total…

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Q: ollowing the procedure, a student recorded the initial volume of sodium hydroxide in his buret as…

A: Molarity can be defined as the number of moles of a substance that is dissolved in 1 liter of the…

Q: 5. A solution of sodium hydroxide has a density of 1.14 g/mL and contains 32.8% sodium hydroxide by…

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

Q: How much lithium chloride (in grams) is needed to make 115 mL of a 15.7 M solution? The molar mass…

A: Given Molarity = 15.7 M Volume of solution = 115 ml = 115×10-3 L molar mass of lithium chloride =…

Q: How many grams of cobalt (II) nitrate would you need to add to a 100.0 mL volumetric flask to make a…

A: Molarity = number of moles of solute/volume of solution (in L)  so, number of moles = molarity ×…

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

A:

Q: A solution of cobalt(II) chloride is analyzed, and the concentration of cobalt(II) ions is found to…

A: Given,  Concentration of cobalt(II) ions(Co2+) = 0.27 mol/L Concentration of Chloride ion (Cl^-1) =…

Q: In the laboratory, a student dilutes 26.7 mL of a 7.32 M hydrochloric acid solution to a total…

A: Initial Molarity, M1 = 7.32 M Initial volume, V1 = 26.7 mL Final Molarity, M2 = unknown Final…

Q: You wish to make a 0.149 M hydrochloric acid solution from a stock solution of 6.00 M hydrochloric…

A: Calculate the number of moles of HCl in the final dilute solution of 0.149 M and 50.0 milliliters.

Q: chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out ×1.010^2μmolof nickel(II)…

A:

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: n the laboratory, a student dilutes 19.3 mL of a 9.21 M hydrobromic acid solution to a total volume…

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Q: 46.29 g of KOH is dissolved in 250. mL of water. A. If I add 500. mL of pure water to this 250. mL…

A: We know that,   Molarity = no. of moles of solute/volume of…

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

A: Concentration: In chemistry strength of a particular solution can be measured by the following…

Q: If exactly one molecule of solute is present in 1.001.00 L of solution, what is the concentration of…

A: We know ; 1 mol of Solute = 6.022 × 10²³ Molecules   * Molarity of Solution = Moles of Solute /…

Q: A student dissolved 4.52 g of Mg(NO3)2(s) in enough water to make 400 mL of solution. What is the…

A: Given: Mass of Magnesium nitrate = 4.52g Volume of Solution = 400mL

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

A: The concentration of a solution furnishes information about the amount of the substance present in…

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: 1. You have a stock solution of 14.2 M NH3. How many milliliters of this solution should you dilute…

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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: 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: 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: You wish to make a 0.338 M hydrochloric acid solution from a stock solution of 12.0 M hydrochloric…

A: Concentrated solutions upon addition of water gets diluted to lower concentrations. The dilution of…

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: A chemist prepares a solution of potassium iodide (KI) by measuring out 7.2x10^2 μmol of potassium…

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Q: A dilute solution of sodium hydroxide was prepared by adding 42.1 mL of 1.02 M sodium hydroxide,…

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Q: What is the concentration of sodium chloride in the final solution if 18.50 mL of 0.125 M BaCl2…

A: From the moles of sodium chloride we can calculate the concentration of sodium chloride.

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

A: Answer

Q: What laboratory equipment do you need to prepare 250 mL of a 0.010 M solution of NaCl from a stock…

A: The molarity of a solution is used to define the concentration of solute in that solution. The…

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 77.00 mL sample of 0.59 M nitric acid is introduced into a flask, and water is added until the…

A:

Q: You then use the standardized NAOH (0.1736 M) to determine the unknown concentration of an acetic…

A: The equation for unknown values is given by, M1V1=M2V2 where M is the molarity and V is the volume.

Q: A sample of concentrated hydrochloric acid (HCl) is 37.0 % HCl by mass. Calculate the molarity of…

A: Given:37.0% HCl by mass density is 1.18 g/ml formula : Molarity (M)= (% by mass x 10 x Density…

Q: A 9.33 % solution of sulfuric acid has a density of 1.07 g/mL.  What is the molarity (M) of this…

A: Given: The density of 9.33 % solution of sulfuric acid is 1.07 g/mL The mass percent is 9.33%

Q: Determine the volume of 0.145 M NaOH solution required to neutralize each sample of hydrochloric…

A: According to the equation,MV = constant.Then,M1V1 = M2V2M1 = Molarity of NaOHV1 = Volume of NaOH.M2…

Q: A chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out 97.μmol of nickel(II)…

A: Molarity of a solution is defined as the amount of solute present in one litre of solution. It is…

Q: The analyst wanted to measure the zinc oxide content of a 1.25-g sample. The sample was treated with…

A:

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: In the laboratory, a student dilutes 23.8 mL of a 8.98 M hydrochloric acid solution to a total…

A: We have given that  a student dilutes 23.8mL of a 8.98M hydrochloric acid solution to total volume…

Q: A 25.0 mL sample of a 30.0%(w/w) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

A: 1) Calculate the mass of HF in 25.0 mL solution 30.0w/w %  solution. (w/w)% indicates the mass of…

Q: In the laboratory you dilute 2.53 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A:

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

A: Given: Mass of cylinder = 5.0 g. Mass of cylinder with thiosulfate = 61.167 g. And the volume of the…

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: To what volume should you dilute 50 mL of a 13 M stock HNO3 solution to obtain a 0.105 M HNO3…

A: The volume of diluted solution can be calculated using the equation (1). In this equation, M1 and V1…

Q: chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 6.4102 x 10^2 μmol of…

A: Molarity is defined as total number of solute dissolve in one litre of solution Molarity…

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: In the laboratory you dilute 5.20 mL of a concentrated 6.00 M hydroiodic acid solution to a total…

A: The Concentration of the dilute solution can be calculated as,  M1V1 = M2V2 where, M1 = Initial…