A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds enough water to dissolve it and then adds water to the 100. mL tick mark. What is the molarity of potassium sulfate in the resulting solution? Molarity =  M

Q: A 18.0 wt% solution of CaCl₂ (110.98 g/mol) has a density of 1.165 g/mL. What is the mass, in…

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Q: A NaF(aq) solution (solution 2) is 9.20% by mass in NaF. Solution 2 has a density of 1.05 g/mL. 415…

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Q: In the lab, a student makes a solution of CaCl 2 by dissolving 9.0 grams of solid in 425 mL of…

A: We have given that  Mass of CaCl2 = 9 gram  Volume of solution = 425ml = 0.425L  We know that…

Q: An unknown mass of Na3PO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A…

A: Given: Number of sodium ions = 4.408*1020

Q: 100.0 mL of an aqueous solution containing 0.250 M KOH(aq) is mixed with 100.0 mL of an aqueous…

A: First of all, we need to write down the balanced chemical.  The molar mass of Fe(OH)3 = 106.87g/mol

Q: A student weighs out 8.68 g sample of MnI2,transfer it to a 125mL volumetric flask,adds enough water…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: is the new concentration of the solution?   2. You start with 2.5L of a KNO3 stock solution and…

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

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: 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: If I added 14.5 grams of NaNO3 to a final volume of 200.0 mL of water to make a solution of NaNO3,…

A: The molarity (M) of a solution is the number of moles of solute dissolved in one liter of solution.…

Q: A student weighs out a 12.2 g sample of K2S, transfers it to a 500. mL volumetric flask, adds enough…

A: Given; Note: (1L = 1000 mL)

Q: Imagine you transferred 5.00 mL of 1.75 M HCl solution into an empty 200.00 mL volumetric flask then…

A: Given is Initial Volume of HCl solution = V1 = 5 mL Molarity of HCl solution = M1 = 1.75 M Final…

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: If 203 mL of water is added to 5.00 mL of 4.16 M KCI solution, what is the concentration of the…

A: • The values provided in the question are:-  i) Initial volume of KCl solution, V1 = 5.00 mL  ii)…

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: A solution is prepared by dissolving 3.0 g iron(II) chloride (MW=126.8 g/mol) with 75.0 mL of water.…

A: Solution Molar concentration is that the most convenient technique of expressing the concentration…

Q: Suppose you have 100.00 mL of an HCl solution and transfer 2.00 mL of it to a 100.00-mL volumetric…

A: The final diluted sample has concentration = 0.000158 M

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: a) What is the mass of solute, in grams, in 600. mL of a 0.0268 M solution of KClO3? b)What is the…

A: given  concentration of  KClO3 = 0.0268M volume of solution = 600 ml = 0.6 L

Q: 3. A solution is prepared by dissolving 10.8 g ammonium sulfate in enough water to make 100.0 mL…

A: Given  Mass of ammonium sulfate  = 10.8 gram  Volume of Solution =  100 mL…

Q: You have 272.9 mL of a 0.174 M MgSO4 solution. What would the molarity of the resulting solution be…

A: According to the law of dilution, we can write: C1V1 = C2V2       ................... (1) where: C1…

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: The molarity of a solution prepared by dissolving 15.9 grams NaI in 500. mL of solution is:

A: Molarity= (given mass/molar mass)*(1000/volume (ml))

Q: An aqueous solution was prepared by dissolving 1.567 g of AgNO3 in enough water to make 250.0 mL of…

A: Molarity is one of the concentration term given by formula  Molarity = moles / volume of solution…

Q: Calcium metal will react with water as follows: __Ca(s) + __H2O  __Ca(OH)2(aq) + __H2(g) What is…

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

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Q: 3. A 5.0 mL sample of a stock solution of concentrated HNO3, a strong acid, is diluted with…

A:

Q: what is the molarity of a solution when 2.25 g NaF is dissolved in enough water to make 25.0 ML of…

A:

Q: What volume of a 50.0% by mass solution of NaOH, which has a density of 1.515 g/mL, must be added to…

A:

Q: A student weighs out a 2.41 g sample of FeCl2,transfers it to a 100.mL volumetric flask,adds enough…

A: Given the mass of solute, FeCl2(s) = 2.41 g  Volume of the solution to be prepared = 100. mL

Q: 0.22g of calcium chloride (110.98 g/mol) is dissolved into 50mL of water. It is labeled "Solution…

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

Q: A student weighs out a 3.79 g sample of potassium nitrate, transfers it to a 250 mL volumetric…

A: Given, mass of KNO3 = 3.79 g. Volume of the solution = 250 mL = 250 mL×1 L1000 mL = 0.25 L. We have…

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

A:

Q: A chemist starts with 25.0 mL of a 0.20 M NaCl solution and dilutes it to 500 mL. What is the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Solve the attached

A: Given data: Number of sodium ions = 4.408*1020 Dilution does not affect the moles of solute.

Q: 1. A stock potassium dichromate solution (K,Cr,0,; molar mass is 294.2 g/mol) is prepared for…

A: the solution of pottasium dichromate is given

Q: In the laboratory you dissolve 24.3 g of potassium hydroxide in a volumetric flask and add water to…

A: Given : Mass of potassium hydroxide i.e KOH used = 24.3 g Volume of solution = 375 mL = 0.375 L…

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: 123 mL of a 1.00 M solution of NaCl is mixed with 72.5 mL of a 2.71 M solution of AgNO3. What is the…

A: This question can be solved by applying the Molarity(M) formula. Molarity(M) is defined as the…

Q: Consider the balanced reaction below. FeCl3 (aq) + 3 NAOH (aq) --> Fe(OH)3 (s) + 3 NaCI (aq) A 0.532…

A: Given: Concentration of NaOH = 0.532 M Concentration of FeCl3 = 0.398 M Volume of of FeCl3 = 34.9 mL…

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

A:

Q: student weighs out a 12.8 g sample of Ni(NO3)2, transfers it to a 300. mL volumetric flask, adds…

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

Q: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: Given information: Mass of barium chloride = 45.0 g Volume of solution = 750.0 mL Concentration of…

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 student weighs out a 16.7 g sample of Ba(CH3COO)2 , transfers it to a 300. mL volumetric flask,…

A: Molarity (M) can be defined as the moles of solute that can be dissolved per litre of solution. It…

Q: A solution is made by dissolving 14.7 g of iron(III) sulfate, Fe2(SO4)3, in enough water to make…

A: The number of moles (n) in 14.7 g of iron (III) sulfate is calculate as shown below where 399.88…

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: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: Given: Volume of solution = 750 mL = 0.750 L Mass of BaCl2 = 45.0 g Molar mass of BaCl2 = 208.23…

Q: stock solution of nitric acid is found in the back of the chem stock room, but the concentration on…

A:

Q: A student weighs out a 3.62 g sample of NaCH3COO , transfers it to a 300. mL volumetric flask, adds…

A: Given : Mass of NaCH3COO i.e sodium acetate = 3.62 g And volume of solution = 300 mL = 0.300 L…