A) An aqueous solution of sodium nitrate, NaO3, is made by dissolving 21.6 grams of sodium nitrate in sufficient water in a 500. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of sodium nitrate in the solution? Weight/volume percentage = _______%   B) An aqueous solution of ammonium fluoride, NH4F, is made by dissolving 32.4 grams of ammonium fluoride in sufficient water in a 500. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of ammonium fluoride in the solution? Weight/volume percentage = ________%

Q: A chemist adds 130.0 mL of a 9.85M silver perchlorate (AgClo,) solution to a reaction flask.…

A:

Q: Put together a PROCEDURE for an experiment in which you prepare 100.00 mL of a solution. Solution…

A: Given that, Concentration of dilute HCl solution = 3.0 M A solid FeCl3.6H2O, iron(II) chloride…

Q: Suppose 40.8g of copper(II) acetate is dissolved in  200.mL of a  0.70 M aqueous solution of sodium…

A: The reaction of copper (II) acetate with sodium chromate is,Cu(CH3COO)2 (aq) + Na2CrO4 (aq) → CuCrO4…

Q: Suppose 5.18g of ammonium acetate is dissolved in 200.mL of a 0.40 M aqueous solution of sodium…

A: Given : Mass of ammonium acetate i.e NH4CH3COO = 5.18 g And volume of solution = 200 mL = 0.200 L…

Q: You are going to standardize your sodium hydroxide by titrating with potassium hydrogen phthalate.…

A:

Q: A stock solution of potassium permanganate (KMNO4) was prepared by dissolving 10.0 g KMNO4 with DI…

A: To solve this problem we will first calculate the number of moles of KMnO4   Then Molarity will be…

Q: Phosphoric acid (H3PO4) is important in the production of both fertilizers and detergents. It is…

A: Molarity of H3PO4 = 14.8 MVolume of H3PO4 = 1.81109 gallonMolar mass of Ca5(PO4)3F = 504.30 g/mol

Q: An aqueous solution of potassium sulfate, K2SO4 , is made by dissolving 15.1 grams of potassium…

A: Given: Mass of K2SO4 = 15.1 g. And volume of solution filled = 250 mL = 0.250 L…

Q: One of the active ingredients in stain removers is sodium percarbonate (Na2CO3), and a typical stain…

A: Percentage w/v of Na2CO3 = 6.5 % Volume of solution = 150.0 mL % w/v is given by: %w/v=mass of…

Q: 1. A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (MM=329.2 g/mol) in sufficient water…

A:

Q: You have a method that requires you to make a solution of disodium hydrogen phosphate (Na2HPO4). It…

A:

Q: Suppose 3.17g of lead(II) acetate is dissolved in 300.mL of a 0.20 M aqueous solution of ammonium…

A: Given, Mass of lead (II) acetate = 3.17 g Volume of ammonium sulfate = 300.0 mL Molarity of ammonium…

Q: A 5 mL aliquot of the 0.02196 M "stock" solution is transferred to a fresh 100 mL volumetric flask…

A:

Q: Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: An aqueous solution of potassium sulfate, K2SO, is made by dissolving 27.6 grams of potassium…

A: W/V% =( weight of solute/ volume of solution)*100

Q: The mass percent of acetic acid (CH3COOH) in a bottle of vinegar is 5.45% in water. What is the…

A: Consider the volume of the solution as 1 L (1000 mL).Determine the mass of l L of solution from the…

Q: Payalben

A:

Q: By pipet, 10.00 mL  of a 0.823 M stock solution of potassium permanganate (KMnO4) was transferred to…

A:

Q: Part B 29.53 g C6H12O6 in 1.13 L of solution Express the molarity in moles per liter to three…

A: Part B -  Given that - mass of C6H12O6 = 29.53 g  Volume of the solution = 1.13 L = 1130 mL  Molar…

Q: A 3.72 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution…

A: Given : Molarity of K2Cr2O7 = 0.110 M Volume of K2Cr2O7 = 60.9 ml. Reaction given :

Q: A chemist performs a gravimetric analysis. The chemist combines 1.00 L of 2.00 M AGNO3 (ag) with…

A: Given, AgNO3 solution Molarity of AgNO3 solution = 2.00 M = 2.00 mol/L Volume of AgNO3 solution =…

Q: An aqueous solution of sodium hydroxide, NaOH , is made by dissolving 15.6 grams of sodium hydroxide…

A: The question is based on the concept of solutions. molarity is a method of expressing concentration…

Q: A 0.639 g sample of cobalt, Co, is added to 236 mL of 0.100 M H₂SO, and reacts according to Co (s) +…

A: To determine the limiting reagent in any reaction, one should calculate the number of moles of each…

Q: Suppose 11.1g  of lead(II) acetate is dissolved in  350.mL  of a  0.80 M  aqueous solution of…

A: Given that : The mass of lead (II) acetate = 11.1 g The volume of ammonium sulfate solution = 350 mL…

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: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: 1)A 191 −mL sample of a 1.4 MM sucrose solution is diluted to 450 mL. What is the molarity of the…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: A stock solution of potassium permanganate (KMnO4) was prepared by dissolving 20.8 g  KMnO4 with DI…

A:

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

Q: Can you explain the concept behind the problem? Can you explain where the numbers came from? And if…

A: Percent mass (% w/w) = (mass of solute/mass of solution) × 100

Q: Aqueous solutions of 16.7% by mass hydrogen peroxide, H202 (molar mass =34.016 g mol1) are used to…

A: Given that: Mass percent of H2O2 = 16.7% Density of solution = 1.06 g/mL

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A: The given reaction is: 2AgNO3aq+MgCl2aq⇌2AgCls+MgNO32aq According to the above chemical reaction, 2…

Q: You are asked to create a 0.35 M solution of calcium chloride (CaCl2) using a 250.0 mL volumetric…

A:

Q: 2.135 g of potassium chloride in enough water to make 100.00 mL solution. Th student then pipettes…

A: Molarity = number of moles of solute / volume of solution (in L)  M1V1=M2V2 M1= initial Molar…

Q: A solution is made by mixing 48.2 g of alcohol into 100.0 mL of water (DH2O = 1.00 g/mL). What is…

A: Given ; mass of alcohol = 48.2 g  And volume of water = 100 mL  Since density of water = 1 g/mL…

Q: What volume of a 1.63 mass % solution of Mg(NO3)2 is needed to contain 0.316 grams of Mg(NO3)2. The…

A:

Q: If 0.069 mol of salicylic acid was added to 62.92 mL of pentanol, what would be the concentration of…

A: given Moles of salicylic acid = 0.069  mol volume of pentanol = 62.92 ml MW of salicylic acid=…

Q: Consider the following chemical reaction: BaCl2(aq) + Na2SO4(aq) -----------> 2NaCl(aq) + BaSO4(s)…

A:

Q: A sample of MgCl,(5) is added to water and the number of chloride ions is measured to be 8 x 10.…

A: Given: Number of chloride ions = 8 × 1022 ions. And volume of solution = 5.0 L

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: By pipet, 9.00 mL of a 0.823 M stock solution of potassium permanganate (KMn04) was transferred to a…

A: Given Molarity of KMnO4 stock solution = 0.823 M = M1Volume of KMnO4 stock solution Taken = 9.0 mL =…

Q: What is the molar concentration of NaCl in a 14.5 cm³ sample of pure NaCl? molar concentration = i M…

A:

Q: A solution is prepared by pipetting 25.00 mL of 3.0 x 10-4 M CaCl2 into a 750.00 mL volumetric flask…

A:

Q: 100.0 mL of 1.20 M AgNO3 solution is mixed with 100.0 mL of 0.500 M CaCl2 solution. How many grams…

A: Given data: The volume of AgNO3=100.0 mL=0.1 L. The molarity of AgNO3=1.20 M=1.20 mol/L. The volume…

Q: Vinegar is 5.00 % (by mass) acetic acid (MW = 60.052 g/mol). It has a density of 1.02 g/mL. What is…

A: The objective of this question is to calculate the molarity of acetic acid in vinegar. Molarity is a…

Q: You have stock solutions of 2.0 M copper sulfate and 5 M NaCl. You want to prepare a solution with a…

A:

Q: mol A chemist must prepare 325. mL of 1.00 M aqueous iron(III) bromide (FeBry) working solution.…

A: Formula, M1V1 = M2V2

Q: Glycerol, C3H03, is a substance used extensively in the manufacture of cosmetics, foodstuffs,…

A: given :-  volume of glycerol = 70.000 mL  density of glycerol = 1.2656 g/mL volume of solution =…

Q: A student titrates an unknown amount of potassium hydrogen phthalate (KHC, HO, often abbreviated…

A: Concepts of acid with base titration.