4) Consider a solution of 1.4 m of HN3 (molar mass=63.0 g/mol) its density=1.15 g/ml. Calculate the molarity (M) of a new solution prepared by mixing 40 ml of 1.4m HNO, solution with 20ml pure water A) 1.61 B) 1.48 C) 0.99 D) 0.74

Q: A student places 20.00mL of .1005 M HCl in a flask and adds a few drops of phenolphthalein. She adds…

A: Volume of HCl, V1 = 20.00 mL Molarity of HCl, M1 = 0.1005 M Volume of NaOH, V2 = final reading –…

Q: ) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is : a) 0.75M b) 1. 04M c) 1.25M…

A: Mass of NaOH = 5 g  Volume of solution = 120 mL  = 0.120 L  Molarity = ?

Q: A 54.0 mL aliquot of a 1.70 M solution is diluted to a total volume of 248 mL. A 124 mL portion of…

A: The valid equation for dilution, M1V1=M2V2

Q: Calculate the molarity of 6.52g of Cobalt Chloride (128.9g/mol) dissolved in aqueous solution with a…

A:

Q: (a) Calculate the molarity of a solution that contains 0.0345 mol NH4Cl in exactly 400 mL of…

A: Molarity is the number of moles of Solute in one liter of Solution. It can be written as -  Molarity…

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A: (a) Molarity of H3PO4, M1 = 4.7 M Volume of H3PO4, V1 = 129 mL Volumes are additives- Volume of…

Q: Calculate the molarity of the solutions by mixing 250 mL of 0.75 M H2SO4 with a. 150 ml of H2O b.…

A: The molarity of a solution is defined as the number of moles of a solute present in one liter of…

Q: 1. Determine the concentration and amouht of requ 2. Carefully fill the flask to the mark etched on…

A: To prepare a solution of known concentration it is necessary to know that we must be aware of the…

Q: What is the concentration in molarity of a solution which is 5.05 %m/v benzene (C₂H, MM = 78.11…

A: Molarity is calculated by dividing the number of moles of solute in grams by the volume of the…

Q: Suppose that 10.00 mL of 0.0100 M IO3- solution requires 11.43 mL of the thiosulfate solution to be…

A:

Q: What volume of 5.65M HCL can be made by mixing 6.55 M HCL with 300 mL of 4.45M HCL

A: Given,  Molarity of first solution of HCl = M1 = 6.55 M  Molarity of second solution of HCl = M2 =…

Q: You need to prepare 250. mL250. mL of a 0.400 M0.400 M aqueous solution using a pure solid with a…

A: For this problem, we need to know what is molarity first. Molarity: It is an unit of concentration…

Q: How would you prepare 275 mL of 0.600 M NazPO, solution? * O I would add 0.165 g Na,PO, to enough…

A: Given: Volume = 275 mL= 0.275 L Molarity = 0.600M To find: How would you prepare 275 mL of 0.600M…

Q: How would you make the following solutions (all solutions are aqueous)? A mathematical answer as…

A:

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A: Molarity is defined as the number of moles of solute per litre of solution.

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

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

Q: 74.4 gg C2H6OC2H6O in 2.24 LL of solution     calculate the molarity

A: Given data is: C2H6O = 74.4 g volume of solution = 2.24 L molar mass of C2H6O = 12×2+1×6+16=46.0g…

Q: Express the concentration of a 0.0590 M aqueous solution of fluoride, F, in mass percentage and in…

A:

Q: final concentrations

A:

Q: You are asked ot prepare 250.0 mL of a 1.5 M potassium sulfate solution. 1. What mass of solute is…

A: Given : Volume of solution = 250 ml  Molarity of solution = 1.5 M  To find : Mass of solute…

Q: You    have    a    250    mM    stock solution of    Tris.    What    volume    of    this    stock…

A:

Q: Calculate the molarity of the solutions by mixing 250 mL of 0.75 M H2SO4 with a. 150 mL of H2O b.…

A: Molarity is defined as the amount of solute expressed in the number of moles present per liter of…

Q: What is the concentration in molarity of a solution which is 11.09 %m/v octane (MM = 114.2 g/mol )…

A:

Q: A 77.0 mL77.0 mL aliquot of a 0.600 M0.600 M stock solution must be diluted to 0.100 M.0.100 M.…

A:

Q: Consider naphthalene, C10H8, the active ingredient of moth balls. A solution of naphthalene is…

A:

Q: A 2.0 L of benzene solution contains 10.0 g of toluene (C7H8). Calculate the molarity of the…

A: We have 10 g of toluene in 2L of solution , we have to calculate the Molarity of solution.

Q: Express the concentration of a 0.0490 M aqueous solution of fluoride, F¯, in mass percentage and in…

A:

Q: A student must prepare a 300.0 mL of 0.0500 M Citric acid solution. The student must use a solid…

A: We wre given with 300.0 mL (or 0.03 L) of 0.0500 M Citric acid solution. We are asked to write the…

Q: Calculate the molarity for a solution containing 0.34 moles of NaNO3 dissolved in 0.5 liters of…

A: Molarity can  be defined as number of moles of solute dissolved in per litre of solution.  In other…

Q: 1. A student prepare 25.00 mL of a 0.05000 M copper sulfate solution calculate the mass of CuSO4 x…

A:

Q: Express the concentration of a 0.0280M aqueous solution of fluoride, F−, in mass percentage and in…

A: The molarity of fluoride ion is = 0.0280 M The concentration of fluoride ion in ppm = ? The density…

Q: Calculate the molarity of the following aqueous solutions. (a). 15.0 g of CaCI, in 0.350 L of…

A: Given:-  a) mass of CaCl2 = 15.0 g  volume of solution = 0.350 L  b)  initial concentration of…

Q: If a solution of hydrogen peroxide is 2.8%(m/m) that means that for every 100 g of a solution there…

A: Given, a solution of hydrogen peroxide is 2.8%(m/m) i.e.mass of hydrogen peroxide(H2O2) =2.8 gmass…

Q: How would you prepare 275 mL of 0.600 M K3PO4 solution? * O I would add 35.0 g K,PO, to enough water…

A: Given, Molarity of K3PO4 = 0.600 M  Volume = 275 mL  How much mass required =?

Q: A potasium carbonate solution is 14.6% KCO3 by mass and has a density of 0.68 g/mL. Calculate…

A: Molarity is defined as the moles of solute per litre of solution. Note : KCO3 is wrong. Instead of…

Q: concentration

A:

Q: Calculate the molarity of NaOH solution prepared by mixing 25 mL of 0.60 M NaOH with 250 mL H2O.

A: Given,   N1=0.60M V1=25mL V2= 25+250=275mL

Q: A solution of Naz2SO4 was prepared by dissolving an unknown mass in distilled water to form 100.00…

A: The molarity of a diluted solution made from a concentrated solution can be calculated as follows;…

Q: What is the concentration in molarity of a solution which is 11.39 %m/v octane (MM = 114.2 g/mol )…

A: Molarity = Number of moles of solute/Volume of solution (L) Number of moles = Mass/molar mass Solute…

Q: Exactly 42.35 mL H2SO4 is neutralized with 21.15 mL of 0.500 M NaOH, what is the normality of H2SO4?

A: Given: Volume of H2SO4 V1=42.35mL Volume of NaOH V2= 21.15mL Molarity of NaOH M2= 0.500M To find:…

Q: A 0.0715 M solution of NaNO₃ needs to be prepared through dilution. A 0.500 M stock solution will be…

A: We have to prepare a 0.0715M 1L NaNO3 solution. Moles of NaNO3 in that 1L solution, = 1L×0.0715…

Q: volume in mL of 0.300 M

A: Apply molarity equivalence formula M1V1=M2V2

Q: Calculate the mass percent of a NaCl solution prepared by mixing 35.0 g NaCl with 125.0 mL of pure…

A: Given that : Mass of NaCl = 35.0 g Mass of water = 125.0 mL = 125.0 g Mass of solution = 35g + 125g…

Q: Indicate the concentration of each ion present in the solution formed by mixing 3.60 grams of KCl in…

A: We have to calculate the concentration of each ion at final stage.

Q: A 55.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 268 mL. A 134 mL portion of…

A: This can be calculated using the formula: M1V1=M2V2

Q: What will the molarity be of the resulting solutions made by mixing the following? Assume that…

A: The following are the conditions of the solutions and the objective is to find the resulting…

Q: What volume in mL of 4.35 M HCI solution is needed to react with 18.5g of Ca(0H)2

A: Please find your solution below : The reaction between calcium hydroxide and hydrochloric acid is as…

Q: Calculate the molarity of the solutions made by mixing 158  mL of 8.7 M HC2H3O2 with the following:…

A:

Q: At what temperature will the water in a car radiator boil if 500 mL of diethylene glycol (MM 106) is…

A: