A 9.12 g of KCl.MgCl2.6H2O is to be dissolved to prepare a solution in sufficient water to give 1.500 L. What will be the molar concentration of Cl-?

Q: Consider the reaction 3CaCl,(aq) + 2N23PO4(aq) --> Caz(PO4)2(s) + 6 NaCI(aq) (molar mass of calcium…

A: This question is based on stoichiometry. In this problem we have to find mass of calcium phosphate…

Q: To lower the concentration of a solution, we use the process of dilution, or adding more solvent to…

A: 1.MinitialVinitial = MfinalVfinal

Q: What volume of 18.0 M sulfuric acid is required to prepare 26.2L of 0.126 M H2SO4?

A:

Q: 1. What is the mass concentration of water vapor (g H20 per m3 of air) in a liquid-water cloud at a…

A: Saturation water vapor pressure, P at 273 K = 611.6 Pa 1 Pa = 1 kg/m.s2 1 J = 1 kg.m2/s2. Molar mass…

Q: How many grams of Cu(C2H3O2)2 (Molar mass ‎199.65 g/mol) are needed to make 25.0 mL of a solution…

A: Definition:Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: What is the mass percent of glucose (MW = 180 g/mol) if 0.0400 moles of glucose is added to 0.500 kg…

A:

Q: 75 ml of an aqueous solution of HCIO4 with the percent by mass 35 % and density 1.67 kg/L , was…

A: It is given that 75 mL of an aqueous solution of HClO4 with a density of 1.67 kg/L, is mixed with…

Q: What mass of is needed to prepare 355 mL of 0.445 M Na2SO4 Na2SO4?

A: Given, Molarity of Na2SO4 = 0.445 M = 0.445 mol/L Volume want to prepare = 355 ml = 0.355 L Formula…

Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make exactly…

A: Given  Mass of MgSO3  = 17.8 gram  Volume of solution  = 100 mL                                  =…

Q: How many grams of lithium nitrate are required to prepare 1.75 liters of 0.5225 M lithium nitrate…

A: Lithium nitrate volume = 1.75liter Molarity of lithium nitrate = 0.5225M Molar mass of lithium…

Q: A 0.6L of a solution is prepared by dissolving 110g of NaF in it. The molecular weight of NaF is…

A: Given, Volume of NaF solution = 0.6 L Mass of NaF = 110 g Molecular weight of NaF = 41.9 g/mol

Q: The maximum allowed concentration of chloride in a municipal drinking water supply is 2.5 x 102 ppm…

A:

Q: What is the molarity of a 1.14 m solution of fructose (formula mass = 180.16 g/mol) if the density…

A: Molarity is the no. Of moles of solute dissolved in per litre of solution, while molality is no. Of…

Q: An aqueous potassium carbonate solution is made by dissolving 6.89 moles of K2CO3 in sufficient…

A: The molarity of the solution is calculated as, molarity = number of moles of solutevolume of…

Q: A Stock Solution has a Concentration of 5.5O Mol/h. What Volume of this Stock solution Is required…

A:

Q: Potassium fluoride is used for frosting glass. Calculate the molarity of a solution prepared by…

A: Given data:

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0g of water. The density of the resulting…

A: The mass of NH3 taken = 15 g  and mass of water taken = 250 g Hence solute is NH3 and solvent is…

Q: Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 gg of…

A:

Q: If 30 grams of NaOH are dissolved and then diluted tU $2.0 L with water,what is the molar…

A:

Q: In an experiment, a 500.0 mL solution of approximately 0.250 M KOH (56.106 g/mol) solution was…

A: Standardization reaction is a reaction in which the concentration of the unknown analyte can be…

Q: A solution consists of 35.00 g of CuSO4 dissolved in 250.0 mL of water. The molar mass of Cu is…

A:

Q: solid

A:

Q: What volume of 1.341 M sodium sulfate, Na SO4, must be used to prepare 500.0 mL of 0.1250 M Na,SO4?

A: Dilution :-  When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to…

Q: the molarity of cl- available in 110.ml of a solution containing 5.55 g of cacl2 is

A:

Q: A 0.355 L soft drink contains 45.5 g of sucrose, which has a molecular weight of 342.3 g/mol. What…

A: Given that, Volume = 0.355 L  Mass of Sucrose = 45.5 g  Molar mass or Molecular weight of Sucrose =…

Q: The sodium salt of cacodylic acid, a weak acid, has the formula NaO2As(CH3)2.3H2O. Its molar mass is…

A: The buffer we have here is of a weak acid and and its conjugate base where cacodylic acid is the…

Q: If 54.8 mL of BaCl2 solution is needed to precipitate all the sulfate in a 554 mg sample of Na2SO4…

A:

Q: The concentration of cholesterol (C27H46O, 386.73 g/mol) in normal blood is approximately 0.0052 M.…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: How much Na2SO3 in grams, should be added to water to prepare a 541 mL of solution with a molarity…

A:

Q: What is the molarity of the final solution made by diluting 0.605 ounces of solid of (NH4)2CO3 to…

A: m = 0.605 ounces  Since, 1 ounce = 28.3495 g  So, 0.605 ounces  = (0.605 × 28.3495 ) g = 17.15 g…

Q: What mass of K2CO3 is needed to prepare 94.0 mL of a solution having a potassium ion concentration…

A: We have to calculate the mass of potassium carbonate needed.

Q: Calculate the molarity of a solution prepared by dissolving 4.11g of NaI in enough water to prepare…

A: Molarity is the described as the number of moles present in 1 L solution. Molarity is expressed in…

Q: The density of concentrated sulfuric acid containing 94% by mass of H2SO, is 1.836 g/mL. Calculate…

A: Given:  Density of H2SO4 solution = 1.836 g/ml  Concentration of H2SO4 solution = 94% by mass…

Q: What is the molarity of the final solution made by diluting 0.631 ounces of solid of (NH4)2CO3 to…

A:

Q: To make 0.1 mole solution of KCI in 1L, we * need mass

A: Given Values: Moles of KCl needed for 1 L solution = 0.1 moles Molarity of the KCl solution = 0.1…

Q: One liter of a solution is prepared by dissolving 157.6 g of NaF in it. If I took 80. mL of that…

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

Q: "hat is the molarity of a barium chloride solution prepared by dissolving 2.50 g of BaCl2-2H2O in…

A: Introduction :  Molarity (M) is defined as the number of moles of solute dissolved in one litre of a…

Q: A solution was prepared by dissolving 5.76 g of (KC. MgCl2. 6H;O) (277.85 g/mol) in sufficient water…

A: Molarity is defined as the number of moles of solute per unit volume of the solution in Litres.…

Q: How many grams of AgNO 3 (molar mass = 169.87 g/mol) are needed to prepare 0.125M solution in 250 mL…

A: Given - Molarity = 0.125 M Molar mass = 169.87 gm.mole-1 Volume = 250 ml = 0.250 L (1L = 1000ml)

Q: How many of liters 3.5 M of C3H&O can be prepared by 70 grams of C3HSO?

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

Q: What weight (in grams) of oxalic acid (MW= 90 g/mol) will be required to prepare 1 liter of 0.25 N?

A:

Q: How many grams of Cu(C2H3O2)2 • H2O (FW = 199.65 g/mol) are needed to prepare 350.0 mL of a 0.230 M…

A:

Q: a. How would you prepare the KOH solution? b. After standardization, what will be the exact…

A: Given -  KOH Solution volume = 500 mL  KOH Molarity = 0.250 M  KOH molar mass = 56.106 g/mol  KHP…

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

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Q: An aqueous potassium carbonate solution is made by dissolving 7.02 moles of K2CO3 in sufficient…

A: For K2CO3 , Number of moles = 7.02 mol Total volume of solution = 4.80 L

Q: 2. How many grams of Cu(C2H302)2 H2O (FW 199.65 g/mol) are needed to prepare 500.0 mL of a 0.250 M…

A: For a given chemical species, the number of moles refers to the ratio of mass to the molar mass. The…

Q: What is the molarity of 0.50 mol Co(NO3)2 in 0.25 L of solution?

A: Given: The given moles of Co(NO3)2 is 0.50 moles. The volume of the solution is 0.25 L.

Q: One cup of fresh orange juice contains 124 mg of ascorbicacid (vitamin C, C6H8O6). Given that one…

A: The formula for finding the molarity is as given below: Molarity = (weight/molecular…

Q: H.W prepare 250 ml of 0.3 KOH ? K = 390 = 16 HEIM

A: Molarity = number of moles/volume in litre

Q: What mass of Na3PO4 is required to produce 500.0 mL of solution that is 0.750 M in sodium ions? The…

A: