A 65.0 mL65.0 mL portion of a 1.50 M1.50 M solution is diluted to a total volume of 228 mL.228 mL. A 114 mL114 mL portion of that solution is diluted by adding 159 mL159 mL of water. What is the final concentration? Assume the volumes are additive.

Q: You can purchase hydrochloric acid in a concentrated form thatis 37.0% HCl by mass and that has a…

A: HCl = 37 % by mass 100 g of solution contains 37 g of HCl Density of solution = 1.20 g/mL Density…

Q: One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite (NaOCl) by…

A: Given that: NaOCl solution = 4% by mass (4 g NaOCl/100 g solution) x (1 mol NaOCl/  74.44 g NaOCl) =…

Q: A 10 % solution of NaCl means that in 100 grams of solution there is? a. 5.85 g NaCl b. 58.5 g…

A: A multiple choice question based on percentage of solution, which is to be accomplished.

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. c)…

A:

Q: How many moles of ions per liter are there in a 26.00% by mass aqueous sodium chloride solution…

A:

Q: Calculate the molarity of each of the following solutions. A.) 27.03 g C6H12O6 in 1.25 L of…

A:

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: e molarity of a 9.00% by mass ammonium chloride aqueous solution at 20 celsius? Density of the…

A: Molarity is defined as number of moles of solute dissolved per liter of solution. It is the…

Q: Calculate the volume in mL of a 2.334 M of calcium nitrate solution that contains 154.3 grams of…

A: To solve this problem we will use the formula  Molarity = number of moles of solute/Volume of…

Q: How many milliliters of water should a chemist add if they want to prepare an 0.200 aqueous solution…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: Enter your answer in the provided box. Calculate the following quantity: volume of 1.86 M calcium…

A: This problem can be solved by using the molarity equation :…

Q: b) An ethanol-water solution is prepared by dissolving 10.00 mL of ethanol, CzH;OH, (d=0.789 g/mL),…

A: Volume percentage of ethanol =

Q: f 20. g of AgNO3 is available, what volume of 0.40 M AgNO3   solution can be prepared? Volume =…

A: Molarity is the moles of solute per liter volume of solution. It is represented as M.

Q: A 0.119 M MgCO3 solution is made from 6.09 g of solute? What is the volume of the solution?

A: Given that,Mass of magnesium carbonate =6.09gMolar mass of magnesium carbonate=84.3139g/mole

Q: what masses of solute and solvent are present?

A: Number of moles = Molarity × Volume(L)  Molar mass of LiCl = 42.394 g/mol  Solution = solute +…

Q: An ethanol solution has a density of 0.8724 g/mL and contains 68.00% ethanol (CH3CH2OH) by mass.…

A: Assuming we have 100 mL i.e 0.1 L of solution  Given : % by mass of of ethanol = 68 %  and density…

Q: A 14.8 M solution of concentrated nitric acid has 15.7 mL withdrawn from it. The 15.7 mL sample is…

A: When a concentrated solution of concentration C1 and volume V1 is diluted by adding water to a final…

Q: Commercial hydrochloric acid (HCl) has a concentration of 12.1 M. What volume of the commercial HCl…

A: Since we know the final volume and concentration of the HCl solution as 250 ml and 3 M Hence final…

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: 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: How many grams of NaOH would you need to make 6,924 mL of a 140 mM NaOH solution (m.w. = 40.00…

A: Given information: Concentration of NaOH = 140 mM Volume of solution = 6924 mL

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: A 20% by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/ml at 20 C. What…

A:

Q: What mass of HCl is contained in 45.0 mL of an aqueous HCl solution that has a density of 1.19 g cm…

A: Given: Volume of solution = 45.0 mL = 45 cm3 density of HCl solution = 1.19 g.cm-3  HCl percent by…

Q: A solution is made by adding 29.1 mL of concentrated potassium hydroxide (34.5 wt%, density 1.46…

A:

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 sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0%HNO, by mass. What…

A: Given: Density of concentrated nitric acid=1.41g/mol Mass percentage of nitric acid=70.0% Formula:…

Q: A chemist needs 13.81 mL of 1.458 M NaCl. What volume in mL of 3.767 M NaCl must be diluted in water…

A: Moles before dilution and after dilution ae same as per mole concept.

Q: Calculate the normality of 0.321 g sodium carbonate when it is mixed in a 250 mL solution

A:

Q: An aqueous 2.00 M hydrochloric acid solution is prepared with a total volume of 0.350 L. The…

A:

Q: 69.0 mL of 2.0 M Sr(OH)2 are mixed with 31.0 mL of 1.8 N Sr(OH)2 . What is the normality of the…

A: Given Sample 1 : Molarity of Sr(OH)2 = 2.0 M , volume = 69 ml Sample 2 : Normality of Sr(OH)2 = 1.8…

Q: For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution.…

A: Concentration of the stock solution of sodium hydroxide saturated solution is given as 19.4 M.…

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume %3D

A: In order to find the volume of the solvent required we first write down the given data: Molarity=…

Q: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

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: How many grams of dextrose are needed to make 675 mL675 mL of a 26.0% (w/v)26.0% (w/v) dextrose…

A:

Q: How many grams of MgCl2 (MM= 95.211 g/mol) is needed to prepare 100.0 mL of a 1.61 m MgCl2 solution?…

A: The mass of MgCl2 needs to be dissolved= 0.1814×95.211 = 17.2758 g.

Q: he concentration of the aqueous sucrose (C12H22O11) solution is 4.00 % sucrose by mass. What is the…

A: Given that:                              Mass percent of solute = 4%…

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 2.54 M silver nitrate, AgNO3, has a density of 1.35 g/mL.The percent by mass…

A: The percent by mass of AgNO3 in the solution is calculated in step two.

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

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

Q: How many grams of dextrose are needed to make 715 mL of a 33.0% (w/v) dextrose solution? Note that…

A: The required amount of dextrose can be calculated using the given data.

Q: Commercial vinegar is essentially a solution of acetic acid in water. A bottle of vinegar has 3.78 g…

A:

Q: You are asked to prepare 52 mL of a diluted solution that contains 5 g CuCl2, to what volume should…

A:

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: A bottle of concentrated aqueous ammonia is labelled " 29.8% N H3 by mass; density = 0.8960 g/ml."…

A: Given, Mass of ammonia = 29.8%. Density = 0.8960g/mL. (a)The molarity of the ammonia solution can be…

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A: %(w/v) = 100 x mass of solute/Volume of solution in mL

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…