ndicate the concentration of each ion present in the solution formed by mixing (a) 42 mL of 0.170 M of NaOH with 37.6 mL of 0.400 M NaOH (b) 44 mL of 0

Q: A portion of aluminum metal (4.50 grams) is dissolved in 200 mL of Potassium hydroxide solution. How…

A: In this question, aluminium metal is dissolved in potassium hydroxide solution to form alum…

Q: How many grams of Cu(C2H3O2)2 (Molar mass ‎199.65 g/mol) are needed to make 25.0 mL of a solution…

A: Definition:Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: If 4.00 mL of 0.0250 M CuSO4 is diluted to 10.0 mL with pure water, what is the molar concentration…

A: Answer:- This question is answered by using the simple concept of dilution of a concentrated…

Q: percent NaOH

A:

Q: What volume of 0.100 M NaOH is required to precipitate all of the nickel (II) ions from 150.0 mL of…

A: Given,  Molarity of NaOH = 0.100 M  Volume of Ni(NO3)2 = 150.0 mL  Molarity of Ni(NO3)2 = 0.347 M…

Q: When a solution of dithionite ions (S2O42–) is added to a solution of chromate ions (CrO42–), the…

A: We have find out the a) net ionic equation for this reaction and (b) How many grams of sodium…

Q: If 48.1 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration or molarity (M) of a solution is defined as the number of moles of solute…

Q: The U.S. standard for arsenate in drinking water requires thatpublic water supplies must contain no…

A: Volume of water = 1 L = 1000 ml Density of water = 1 g/ml Mass of water = Density X Volume = 1 X…

Q: What is the normality of a solution of KMnO4 if 100.26 mL will oxidize that weight of KHC2O4.H2O…

A: Solution - According to the question - (N1V1)  (NaOH) = N2V2 (KHC2O4.H2O) Formulas - n1m1v1 = n2m2v2…

Q: When left in an open beaker for a period of time, the volume of 275 mL of 0.105 M NaClis found to…

A: Given, The Initial volume is 275 mL. The initial concentration is 0.105 M. The final volume is 237…

Q: 3. There is a weak organic acid called phenol (C6H6O, molar mass = 94.11) which was once used as an…

A:

Q: If 0.1297 g  of sodium oxalate, Na2C2O4, requiresof a 48.59 mL  KMnO4 solution to reach the end…

A: Moles of sodium oxalate(Na2C2O4) = mass/molar mass = 0.1297g/133.99mol = 0.00096 When sodium oxalate…

Q: If 0.6546 g  of sodium oxalate, Na2C2O4, requiresof a 23.26 mL  KMnO4 solution to reach the end…

A: Reaction between MnO4- and oxalate is given.

Q: When zinc chloride (ZnCl2) reacts with NH3 solution, a white crystalline compound, Zn(NH3),CI2, is…

A: Given: Volume of HCl= 25.00 mL Concentration of HCl= 0.2500 M Mass of Zn(NH3)nCl2 =0.3724 g Volume…

Q: with

A: 4FeCl2(aq)+3O2 (g)--> 2Fe 2O 3(s) +4Cl2(g),   FeCl2 = 0.945 M O2 = 4.32 x 1021 molecules

Q: What is the final concentration of Na+ in a solution created by mixing 200 mL of 0.40M NaCl with 800…

A:

Q: Solid ammonium sulfite is slowly added to 150 mL of a 0.140 M silver fluoride solution until the…

A:

Q: What information can we get from the molarity of a solution that we cannot know from its percentage…

A: Introduction: There are various ways to express the concentration of solutions, ions etc. in…

Q: 3. A 25.07 mL sample of vinegar is titrated with 37.31 mL of 0.5119 N NaOH. What is the normality of…

A: The normality of the solution is equal to the number of equivalent moles dissolved per liter of…

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: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration = Number of moles of solute/Volume of solution (L) Number of moles of solute =…

Q: One liter of a solution is prepared by dissolving 125.6 g of NaF in it. If I took 180. mL of that…

A: Number of moles=Given massMolar mass

Q: How many grams of barium acetate, Ba(CH3 COO)2 , must be dissolved to prepare 250. mL of a 0.218 M…

A: The amount of a solute dissolved in a specified volume of the solvent is expressed by the…

Q: If 35.0 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Concentration Molar concentration or Molarity or amount concentrationis a measure of the…

Q: 18. Assuming the volumes are additive, what is the NO3 in a solution obtained by mixing 275 mL of…

A: Number of moles = molarity x volume (L)

Q: What volume, in militers, of 6.0 M NaOH is needed to prepare 175 ml of 0.20 M NaOH by dilution?"

A: We are to prepare 175 mL of 0.20 M NaOH solution by dilution of 6.0 M NaOH. We need to find volume…

Q: A 9.12 g of KCl.MgCl2.6H2O is to be dissolved to prepare a solution in sufficient water to give…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: Water is added to 135ml of a 2.45M KOH solution to give a final volume of 285 mL.What is the final…

A: Water is added to 135 ml of a 2.45M KOH solution to give a final volume of 285 mL. The final…

Q: 4. Calculate the concentration of a solution made by dissolving 74.53 grams of Fe(NO3); with enough…

A:

Q: What is the final concentration of HCl in a solution prepared by addition of 922.0 mL of 4.73 M HCl…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: One liter of a solution is prepared by dissolving 157.6 g of NaF in it. If I took 80. mL of that…

A: Molarity is defined as the number of moles of solute present in one litre of solution  w= weight of…

Q: a 7.0 M HCl was mixed with 500 mL OT 4.45 M HCl to attain a 5.65 M HCl solution, what volume of 5.65…

A: Given -:  molarity of the HCl  solution to be made M = 5.65 M HCl solution Total volume= V= ?  By…

Q: What volume of 0.416 M mg(no3)2 should be added to 255ml of 0.102M KNO3 to produce a solution with a…

A: Given, Concentration of Mg(NO3)2 = 0.416M. Volume of KNO3 = 255mL. Concentration of KNO3 = 0.102M.…

Q: A 0.0200 M aqueous solution of sodium sulfate solution was prepared in a 50.00-mL volumetric flask.…

A: On dilution number of moles remain same so we can write  M1V1= M2V2  M1 ,V1 are molarity and volume…

Q: The U.S. standard for arsenate in drinking water requires thatpublic water supplies must contain no…

A: Parts per billion may be defined as mass of solute present per billions mass of solution which may…

Q: Whaf is thr molarity of NO3- in a solution made by dissolving 12.59 grams of Fe(NO3)3 to make 50.00…

A: In the given solution 12.59 grams of Fe(NO3)3 is dissolved in 50.00 mL of solution.

Q: If 0.5693 g  of sodium oxalate, Na2C2O4, requiresof a 41.72 mL  KMnO4 solution to reach the end…

A: The reaction between MnO4- and oxalate is given.

Q: How do you prepare a 250-mL of 0.125 M N2OH solution? a. From solid NAOH pellets (by dissolving) b.…

A: Given that: volume of NaOH = 250 mL = 0.250 L molarity of NaOH = 0.125 M molarity of stock solution…

Q: a. How would you prepare the KOH solution? b. After standardization, what will be the exact…

A: Given -  KOH Solution volume = 500 mL  KOH Molarity = 0.250 M  KOH molar mass = 56.106 g/mol  KHP…

Q: 2 What volume of 0.248 M CaCl2 must be added to 335mL of 0.186 M KCI to produce a solution with a…

A: The final concentration of the substance in the solution can be expressed as the ratio of the total…

Q: How many grams of solid Cu2SO4 5H2O (249.68 g/mol) must be dissolved in 400 mL of water to obtain a…

A: Cu2SO4.5H2O + H2O --------> 2Cu+ + SO42-  This equation describes that 1 mole of Cu2SO4 produces…

Q: What volume of 0.416M Mg(NO3)2 should be added to 255 mL of 0.102 M KNO3 to produce a solution with…

A:

Q: If 6.00 mL of 0.0210 M CuSO4 is diluted to 10.0 mL with pure water, what is the molar concentration…

A:

Q: If 0.4350 g  of sodium oxalate, Na2C2O4, requiresof a 41.71 mL  KMnO4 solution to reach the end…

A: Reaction between MnO4- and oxalate is given - Number of sodium oxalate reacted is calculated :-

Q: What mass of Na2CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: Calculate the molarity of the following solution: a) 10.00 mL of 0.500 M NaOH (aq), diluted to 250.0…

A: Molarity is the concentration of a solution expressed as the number of moles of solute per litre of…

Q: A solution is prepared by adding 2.0 g of solid CaBr2 and 1.55g of NaBr to 100.ml of 0.15 M AlBr3.…

A: Given, A solution is prepared by adding 2.0 g of solid CaBr2 and 1.55g of NaBr to 100.ml of 0.15 M…

Q: How do you prepare a 250-mL of 0.125 M NaOH solution? a. From solid NaOH pellets (by dissolving) b.…

A: a. The molarity is given by: Molarity = Mass of soluteMolar mass of solute×1000Volume of solution…

Q: How many grams of ammonium sulfide, (NH4)2S, must be dissolved to prepare 100. mL of a 0.182 M…

A: Since you have asked multiple questions, we will solve the first question for you. If you  want any…

Q: Use the References to access important values if needed for this question. How many mL of a 0.158 M…

A: The molarity of aluminum acetate solution is = 0.158 M The mass of aluminum sulfate (solute) is =…