One liter of a solution is prepared by dissolving 125.6 g of NaF in it. If I took 180. mL of that solution. and diluted it to 500. mL, determine the molarity of the resulting solution.

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: 1.00 L of a solution is prepared by dissolving 107.6 g of NaF in it. If I took 142.8 mL of that…

A: Molarity = Number of mols of soluteVolume of solution in L=Weight of the solute in gMolecular weight…

Q: What mass of Na3CrO4 is required to precipitate all of the silver ions from 20.0 mL of a 0.700 M…

A: 20.0 mL of a 0.700 M solution of AgNO3 and Na3CrO4.

Q: A student weighs out 5.81 g of NaBr, transfers it to a 250. mL volumetric flask, adds enough water…

A: Given that: Mass of NaBr = 5.81g Molar mass of NaBr = 103g/mol Total volume in the flask = 250mL=…

Q: 135 mL of water are added to 75.0 mL of 0.0250 M NaOH. What is the molarity of the resulting…

A: The molarity of resulting solution is obtained by using the formula, M1V1=M2V2.

Q: solution

A: Molar mass of Na2SO4 = 142.04gmol-1  Moles of Na2SO4 = ( mass / molar mass )  Moles of Na2SO4 = (…

Q: 250.0 mg of copper(II) sulfate pentahydrate (CuSO4•5H2O, 249.69 g/mol) was dissolved in water to…

A: Since mass of CuSO4•5H2O used = 250 mg = 0.25 g              (since 1 g = 1000 mg) Hence moles of…

Q: A 10.6 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

A:

Q: What mass of KBrKBr (in grams) should you use to make 250.0 mLmL of a 1.10 MM solution of KBrKBr?

A: Given data, Volume of solution is 250 mL =0.25L                       (1L =1000mL) Molarity of…

Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

A:

Q: Express as % solution: 2.85 g of sodium chloride in 60 mL of water

A: Given : mass of NaCl = 2.85 g And volume of solution = volume of water = 60 mL…

Q: Calculate the resultant molarity (M) when 2.50 L of water is added to 500.0 mL of 12 M NaoH…

A: Molarity is total no. of  moles of solute present in 1 liter of the solution. Molarity = Number of…

Q: Fill in the blanks: An environmental chemist analyzed the effluent from an industrial process known…

A: Since the benzoic acid has only 1 acidic H  Hence moles of NaOH required for complete neutralisation…

Q: A 10.00 mL sample of 0.200 MHCl(aq) is diluted to a total volume of 100 mL. Calculate the molarity…

A:

Q: What volume (in mL) of 0.436 mol/L calcium hydroxide, Ca(OH)2(aq), is needed to completely…

A: Answer: the volume of calcium hydroxide [Ca(OH)2] solution needed is 16.31 mL.

Q: A student wishes to determine the mass percentage of barium in a 2.016g sample. The student…

A:

Q: A 50.0 mL sample of 0.436 M NH4NO3 is diluted with water to a total volume of 250.0 mL. What is the…

A: The addition of any certain solvent which attributes to the decrease in solute's concentration…

Q: What is the molarity of the resulting solution when 300. mL of a 0.600 M aqueous solution is diluted…

A:

Q: 4.What is the molarity of the resulting solution? . From 60 ml of a 1.6 M nickel phosphate solution,…

A: Given that : Volume of nickel phosphate solution (V1)= 60 mL Molarity of nickel phosphate solution…

Q: A student pipets 11 mL of a 0.0155 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given,

Q: _____% by mass

A:

Q: The concentration of 158 mL of an aqueous solution of KNO2 is 3.56 M. How many grams of KNO2 are…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: An aqueous magnesium chloride solution is made by dissolving 6.646.64 moles of MgCl2 in sufficient…

A:

Q: 1.00 L of a solution is prepared by dissolving 125.6 g of NaF in it. If I took 180 mL of that…

A: Given : Mass of NaF = 125.6 g Volume of initial solution = 1.00 L  Volume of initial solution used =…

Q: A 8.25 g sample of an aqueous solution of hydrobromic acid contains an unknown amount of the acid.…

A:

Q: What volume of water must be added to 133.3 ml of 4.000 M potassium chloride solution to dilute it…

A: Given: Initial concentration M1 = 4.00 M Initial volume V1 = 133.3 mL. Final Concentration M2 =…

Q: A stock solution of NazS2O3 is prepared by adding 20.40 grams of solid Na2S2O3 to enough water to…

A: Molarity is a way of expressing concentration in which moles of solute present per liter of solution…

Q: What is the total mass, in grams, of precipitate that can be produced by mixing 11 g magnesium…

A: Equation for reaction; MgCl2(s)+2AgNO3→Mg(NO3)2+2AgCl

Q: If 50.0 mL of 0.125 M HCl solution and 50.0 mL of 0.125 M NaOH are mixed, what is the molarity of…

A: Given,        50mL of 0.125M  HCl        50mL of 0.125M NaOH  are mixed  and have to calculate the…

Q: A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning the…

A: Given :-A 230.0 mL sample of a 0.275 m solutions is left on ahot plate overhight, the following…

Q: A laboratory custodian needed to prepare 4590 mL of a 2.45 N solution of HCl for the conduct of…

A:

Q: A student pipets 13 mL of a 0.0115 M solution of CaCl2 into a 100.00 mL volumetric flask and dilutes…

A: Given,

Q: A student prepared a standard copper solution by combining 4.12 mL of stock 0.3926 mol/L copper(II)…

A: Since the moles of copper(II) sulfate is coming from the copper(II) sulfate stock solution only…

Q: 12.8 mL of 0.0354 M potassium permanganate solution is used to titrate 0.188 g of an unknown sample…

A: Given -> Volume of KMnO4 = 12.8 ml = 0.0128 L (1L = 1000ml) Molarity of KMnO4 = 0.0354 M Weight…

Q: A student requires 45.0 grams of solid silver chloride to precipitate.  What volume of a 0.50 M…

A: As here NaCl is used in excess amount the limiting reagent is AgNO3 from here we can calculate the…

Q: Consider the reaction: Li2S(aq) + Co(NO3)2(aq) →  2 LiNO3(aq) + CoS(s) What volume (in mL) of a…

A:

Q: A 38.1 g sample of SrCl2 is dissolved in 112.5 mL of solution. Calculate the molarity of this…

A: Molarity (M) is the ratio of the number of moles of solute to the volume of the solution in litre.…

Q: if 34.1g of Nal (MM= 149.89g/mol) are added to a 500.0mL volumetric flask, and water is added to…

A:

Q: You dissolved 43.0 g NaOH in distilled water and brought the final volume up to 500 mL. Give the…

A: Given :-  Mass of NaOH = 43.0 g  Volume of solution = 500 mL  To calculate :-  Molar concentration…

Q: What volume (in mL) of 0.107 mol/L calcium hydroxide, Ca(OH)2(aq), is needed to completely…

A: Given: Concentration of Ca(OH)2 = 0.107 M Concentration of H3PO4 = 0.122 M And volume of H3PO4…

Q: A student needs to prepare 250 mL of a 0.500 M aqueous solution of sucrose, C,,H,,0, (aq), which is…

A: The given data contains, Volume = 250 ml = 0.250 L Molarity = 0.500 M Molar mass of sucrose =…

Q: if 23.1g of NaOH ( MM= 40.00g/mol) are added to a 500ML volumetric flask, and water is added to fill…

A: Given :  Mass of NaOH = 23.1 g  Molar mass of NaOH = 40.00 g.mol-1  Volume of solution = 500 mL  To…

Q: A 12.7 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

A:

Q: A 13.44-g sample of sodium chloride is dissolved in enough distilled water to make up 250.00 mL of…

A: Given, Mass of sodium chloride dissolved = 13.44 g            Volume of the solution in which NaCl…

Q: What concentration results when 150 mL of a 0.36 M solution of magnesium sulfate, MgSO4, is added to…

A: Given :  Initial concentration of MgSO4 solution = 0.36 M  Initial volume of MgSO4 solution = 150 mL…

Q: An aqueous Na;PO, solution is made using 42.3 g of Na,PO, diluted to a total solution volume of 2.00…

A: Given :- Molar mass of Na3PO4 = 163.94 g/mol Given mass of Na3PO4 = 42.3 g Density of solution =…

Q: Enter your answer in the provided box. Calculate the mass of Cal, in grams required to prepare 5.00…

A: Given,  Molarity of CaI2 = 2.50 M  Volume of CaI2 solution in mL = 5.00 x 102 mL  Find the mass of…

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: A 8.84 g sample of an aqueous solution of hydrobromic acid contains an unknown amount of the acid.…

A:

Q: Calculate the resultant Molarity (M) when 2.50 L of water is added to 500.0 mL of 12 M NaoH…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the final…