3. A solution is prepared by dissolving 10.8 g ammonium sulfate in enough water to make 100.0 mL stock solution. A 10.00-mL sample of this stock solution is then placed in a 50.00-mL volumetric flask and diluted to the mark with water. What is the molarity of the new solution?

Q: A student weighs out a 1.75 g sample of NaCl, transfers it to a 250. mL volumetric flask, adds…

A:

Q: . A sample of sodium chloride (NaCl) weighs 5.84 g. solid sample is dissolved in 725 mL of water.…

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

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: 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: Suppose that 2.5 ml of 20% AgNO3 solution (density is 1.19 g/ml) was used to precipitate the…

A: Given,  Mass percentage of AgNO3 in solution = 20%  Volume of AgNO3 = 2.5 mL  Density of the…

Q: 0.19g of magnesium chloride (95.211 g/mol) is dissolved into 50mL of water. It is labeled "Solution…

A: The concentration of solution is most often expressed in molarity in chemistry. The amount of moles…

Q: A student uses 1.05 g of a tablet containing Carbonic Acid dissolved in 0.05 L distilled water. The…

A: Given: Volume of distilled water = 0.05L , mass of solute = 1.05 g ,volume of NaOH = 3.76 mL  To…

Q: A solution of HCl was prepared from a stock solution as follows: 50.00 mL of stock solution was…

A: Given: Volume of stock solution used = 50.00 mL Volume of dilution A prepared = 250.0 mL Volume of…

Q: In the laboratory, a student adds 44.1 mL of water to 12.1 mL of a 0.577 M nitric acid solution.…

A: Provided initial Molarity(M1)=0.577M Let final Molarity = M2    (say) Initial volume of nitric acid…

Q: 7.65 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Weight of sample=7.65g Volume=24.1mL  Concentration of barium hydraxide=0.550M

Q: 350. mL of a 0.255 M zinc chloride solution is diluted to a volume of 785 mL, what is the molarity…

A: Given that: Initial molarity of the solution = 0.255 M Initial volume of the solution = 350 mL…

Q: A 5.00-g sample of vinegar is titrated with 0.108 M NaOH. If the vinegar requires 39.1 mL of the…

A: Given: The mass of the vinegar=5.00 g The concentration of NaOH=0.108 M The volume of NaOH=39.1m…

Q: What is the molarity of barium sulfide in the resulting solution?.

A: Molarity is the ratio of number of moles of solute to the volum le of solution (in L)

Q: In the laboratory, a student adds 57.5 mL of water to 15.1 mL of a 0.508 M nitric acid solution.…

A: Given that 57.5 m L of water is added to 15.1 m L water. Then, the final volume of the diluted…

Q: molarity

A:

Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

A:

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: What is the molarity of a 4.00% by mass hydrochloric acid solution? The density of the solution is…

A: Answer: option c. 1.12 M is the molarity of HCl solution.

Q: What volume of 0.275 M KMnO4 solution is needed to prepare 514. mL of 0.0270 M KMnO4? Enter your…

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

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0% HNO3 by mass.…

A: Given :-  mass percent of HNO3 = 70.0%  density of solution = 1.41 g/mL  To calculate :-  molarity…

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: A 10.0 mL sample of Potassium iodide solution was analyzed by adding an excess of Silver nitrate…

A: The balanced molecular equation for the reaction between Potassium iodide and Silver nitrate is…

Q: 0.28g of sodium sulfate (molar mass = 142.04 g/mol) is dissolved into 50mL of water. It is labeled…

A: Given that:                 Mass of sodium sulfate = 0.28 g                         Volume of…

Q: An aqueous solution is 12.0% by mass silver nitrate, AGNO3, and has a density of 1.11 g/mL. The…

A:

Q: mixture contains Mg(NO₃)₂ and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

A: Given: Weight of sample containing  Mg(NO₃)₂ and KBr =1.85 g The mass of the precipitate = 0.475 g…

Q: A solution of NaCl is prepared by dissolving 1.75 g NaCl in enough water to make 100.00 mL of…

A:

Q: Consider a 3.00 M CH3OH solution. What volume of this solution, in ml, is needed to provide 0.202 g…

A: Given that : Molarity of CH3OH = 3.0 M Mass of CH3OH = 0.202 g Molar mass of CH3OH = 32.042 g/mol…

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 1.480 g sample of oxalic acid, H2C204, is placed in a 100.0-mL volumetric flask, which is then…

A: Given : Mass of oxalic acid = 1.480g

Q: In the laboratory a student combines 31.7 mL of a 0.167 M calcium nitrate solution with 20.9 mL of a…

A: Number of moles of calcium nitrate and  ammonium nitrate can be calculated as follows:

Q: A student weighs out a 7.23 g sample of CoI2, transfers it to a 125 mL volumetric flask, adds enough…

A: Given: mass of CoI2=7.23 gvolume of solution=125 mL To find: Molarity of CoI2

Q: A barium hydroxide solution is prepared by dissolving 3.22 g of Ba(OH), in water to make 58.1I mL of…

A:

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: 1.45-g sample of oxalic acid, H2C2O4, is dissolved in distilled water to make 50.00 mL of aqueous…

A: Redox reaction- the reaction in which oxidation and reduction takes place simultaneously called as…

Q: Solid sodium sulfide is slowly added to 150 mL of a 0.454 M manganese(II) nitrate solution until the…

A: Molarity is difine as ratio of no mole of solute dissolved in in 1 litter solvent. Molarity = no…

Q: A student weighs out a 3.06g sample of MgBr2, transfers it to a 135mL volumetric flask, adds enough…

A:

Q: What volume, in mL, of a 6.75 M solution should be added to a 500.00 mL volumetric flask to create a…

A:

Q: An aqueous solution is 10.0% by mass hydrochloric acid, HCl, and has a density of 1.05 g/mL.The…

A: 10% by mass HCl means, 10 g HCl in 100 g solution. Mass of solute (HCl) = 10 g Number of moles of…

Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds…

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of…

Q: solution is made by dissolving 29.3 g of aluminum chloride, AlCl3,

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

Q: What mass of barium sulfate can be produced when 100.0 mL of 0.150-M solution of barium chloride is…

A:

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: Molarity is the concentration of no. Of moles of solute in 1 L of solution. Molarity= moles of…

Q: A student weighs out a 2.76 g sample of NaOH , transfers it to a 500. mL volumetric flask, adds…

A:

Q: In the laboratory a student combines 34.4 mL of a 0.228 M cobalt(II) chloride solution with 23.9 mL…

A: Calculate the number of moles of present in cobalt(II) chloride solution: 1 mL = 0.001 L One mole…

Q: A student weighs out 3.23 g of KBr, transfers it to a 125. mL volumetric flask, adds enough water to…

A:

Q: You need to make a stock solution ofMg(HCO3)2 with a concentration of 5.50 M. You have a 750.0 mL…

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

Q: A mixture contains Mg(NO3)2 and KBr. A 1.85 g sample of this mixture is dissolved in water and an…

A: