5. A solution of sodium hydroxide has a density of 1.14 g/mL and contains 32.8% sodium hydroxide by mass. If 40.0 mL of this solution is diluted with 30.0 mL of water, what is the concentration of the dilute sodium hydroxide?

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 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…

A:

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 9.47 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A:

Q: If 92.8 grams of sodium nitrite are dissolved in 2.3 L of water, the resulting solution has a…

A: Molarity of resulting solution is= 0.585 M Detailed solution has been attached.

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: 71.  What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution…

A: Given,Volume of solution = 1.00L. Density of 10.0% solution = 1.109g/mL.

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: A chemist places 1.5999 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: In given problem, they asked for concentration of Na2SO4 and it is given as NaCl. So it will be…

Q: In the laboratory, a student adds 48.0 mL of water to 14.6 mL of a 0.624 M nitric acid solution.…

A: Given values, N1= 0.624 M V1= 14.6mL N2=?? V2= 14.6+48.0 = 62.6 mL

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: 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: In the laboratory, a student dilutes 22.9 mL of a 11.9 M nitric acid solution to a total volume of…

A: Moles of solute remain constant during dilution. Moles of solute = molarity x volume of solution…

Q: In the laboratory, a student dilutes 27.2 mL of a 8.33 M hydroiodic acid solution to a volume of…

A: hydroiodic acid solution ( HI ) Initial volume = V1 = 27.2 mL Initial Concentration = M1 = 8.33 M…

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

A:

Q: A 0.800 ?0.800 m aqueous solution of KBrKBr has a total mass of 63.0 g.63.0 g. What masses of solute…

A: Given Molarity = 0.800m Given Mass of KBr = 63 g

Q: If 240 mL of water is added to 13 mL of 5.0 M NaCI solution, what is the concentration of the dilute…

A: • The values provided in the question are:-    i) Initial volume of NaCl solution, V1 = 13 mL  ii)…

Q: A 14.3 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: In the given question we have to calculate the mass Percent of perchloric acid. the given data: mass…

Q: 1.) If you have 0.200 mol of a compound in a 0.775 M solution, what is the volume (in L) of the…

A: Molarity  is the ratio of number  of  moles of solute by total  volume of  the solution.  Number  of…

Q: 9. What is the molarity of a solution that contains 4.50 g of NaCl in 40.0 ml of solution? 10.A…

A: 9) Given data,      Mass of NaCl = 4.50 g  Molar mass of NaCl = (23+35.5) g/mol = 58.5 g/mol…

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: What mass of sodium nitrate needs to be dissolved in water to make 500 mL of a

A:

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: If 211 mL of water is added to 5.00 mL of 3.24 M NaCI solution, what is the concentration of the new…

A: N1= 3.24M V1= 5.00 mL N2= ?? V2=211mL+5mL=216mL

Q: A 11.8 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid.…

A:

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: 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: If 22.6 grams of an aqueous solution of zinc chloride, ZnCl,, contains 5.33 grams of zinc chloride,…

A:

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: The concentration of sodium chloride in blood serum is 0.140 M. What volume of blood serum contains…

A: Molecular weight of NaCl = (23+35.5) = 58.5 gm/mol  So, 6.07 gm of NaCl = 6.07/58.5 = 0.10376 moles…

Q: What is the concentration of the diluted solution?

A:

Q: Suppose you need to prepare 138.6 mL of a 0.426 M aqueous solution of NaCl. what mass of grams in…

A:

Q: mass of zinc hydroxide

A:

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

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A 0.650 ?0.650 m aqueous solution of KBrKBr has a total mass of 86.0 g.86.0 g. What masses of solute…

A: we have to calculate the mass of KBr and H2O

Q: A 8.92 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A:

Q: In the laboratory you dilute 2.50 mL of a concentrated 12.0 M hydroiodic acid solution to a total…

A: According to volumetric principle M1 = Molarity of HI before dilution = 12.0 M V1 = Volume of HI…

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: What does it mean when we say that a 200-mL sample and a 400-mL sample of a solution of salt have…

A:

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: 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: In the laboratory, a student dilutes 23.6 mL of a 8.08 M nitric acid solution to a total volume of…

A: The molarity is one of the most important method to express the concentration of a solution. It is…

Q: A 12.3 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

A:

Q: You have 6.79 mL of  a 0.415 M aqueous solution of Sodium Bicarbonate (NaHCO3). You add all of this…

A:

Q: A 7.26 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Mass of hydroiodic acid (HI) can be determined by calculating the number of moles of sodium…

Q: 2.) a.) A medical lab technician was tasked with making a saline solution for a patient. The…

A:

Q: Assuming the concentration of a solution is 0.457 M, what volume of this solution contains 101.2 g…

A:

Q: In the laboratory, a student dilutes 11.8 mL of a 11.1 M perchloric acid solution to a total volume…

A: molarity is defined as the number of moles upon the volume  molarity =molesvolume

Q: Upon adding 275 mL of water to 275 mL of a 0.310 M aqueous solution of NaOH, the concentration of…

A: HALF Concentration = Mass/Volume As the mass of NaOH, or moles of NaOH in solution does not changes…