O How many grams of sodium chloride required to prepare loo ppm Sodium in 250 ml of solution ? Ans.8 0.0636 gm Ma ci Na sci

Q: How many mL of concentrated H2SO. (FW 98.1 g/mol, 94%, d = 1.831 g/ml.) are required to prepare I L.…

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Q: A.) What volume of 8.4N Al(OH)3 will be used to prepare 350mL of 2.1M solution? B.) How many mL of…

A: Given,  Initial Concentration = 8.4 N  Final volume, V2 = 350 ml  Final Concentration, M2 = 2.1 M

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: Determine the mass of Al2(SO4)3 required to prepare 0.01N solution in 100 ml volume.

A: Given: Normality of the solution = 0.01 N Volume of the solution = 100 ml We have to calculate the…

Q: J If 286.2 g of calcium sulfate is dissolved in enough water to make 228.3 mL of solution, what is…

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Q: How many grams of KNO3 are present in 35.0 mL of a 5.50 M solution? [KNO3 = 101 g/mol]

A: Concentration in terms of molarity is defined as the moles of solute present per liter of the…

Q: What is the Molarity(M) that results from dissolving 8.60 g of KNO3into water so that the solution…

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Q: An NaCl solution is made using 133 g of NaCl and dilutingto a total solution volume of 1.00 L.…

A: Molar mass of Nacl= 58.5 g/mol  Moles of Nacl=133/58.5= 2.27

Q: How many liters of a 4.05 M KNO3 solution can be prepared from 40.9 g of KNO3?

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Q: numenCal diiswer sighmcant ngures. What is the molarity of a solution that contains 57.7 g Na CO, in…

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

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Q: 1. 93,8 grams jof Nacs in122 kilogram aqueou solutide Whit is he percent by ma of the solution? 2.…

A: 1)  Given, mass of NaCl = 93.8 g mass of the solution = 1.22 kg = 1.22 × 1000 g = 1220 g Percentage…

Q: The 1250 mL bottle of Lindeman's Shiraz wine in my kitchen is 10.75 % ethanol by volume. The density…

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Q: How many grams of tris (m.m. 121 g / mol) is required to prepare 100 ml of a 0.1 M solution?

A: To prepare 100 mL of 0.1 M solution, tris required = 1.21 g.

Q: Calculate the moles and the mass of solute in 113.5 mL of 0.253 M CaCh. moles of solute mass of…

A: Molarity: The number of moles of solute present in one liter of solution. It is denoted by M. The…

Q: A concentrated KOH (MW = 56.105 g/mol) solution is 45.0 %wt KOH and has a density of 1.45 g/mL. How…

A: In the given question we have to calculate the volume of concentrated KOH required to dilute the…

Q: An aqueous solution of potassium hydroxide (KOH) is 45.0 wt%, and has a density of 1.456 g/mL. What…

A: Given,The density of the solution is 1.456 g/ml and the mass of the solution is 45%.Molar mass of…

Q: An aspirin sample, 0.62 g, was turrares with 28 mL of 0.105 M NaOH solution. What is the percent…

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Q: 0.13865N HCl (500 mL) will be prepared from 12N HCl solution.

A: Given- N1=0.13865 V1=500mL N2=12N V2=?

Q: What is the concentration (in molarity, M) of a solution prepared by diluting 25 mLof 1.35 M sodiurn…

A: The given data contains,  Volume V1 = 25 ml. Molarity M1 = 1.35 M. Volume V2 = 86 ml.

Q: A student wants to prepare 560.0 mL of a 0.210 M solution of Li2CO3.  What mass of Li2CO3 must be…

A: Given that; Molarity of Li2CO3 = 0.210 M Volume = 560.0ml = 560.0ml × 1L/1000ml = 0.560 L  Molar…

Q: How many ml. of a 0.230 M aqueous solution of ammonium nitrate, NH,NO,, must be taken to obtain 3.37…

A: Mass of salt = 3.37 g  Determination of moles of salt -  Moles of NH4NO3 =MassMolar mass=3.37…

Q: An aqueous solution is 16.0% by mass potassium bromide, KBr, and has a density of 1.12 g/mL. The…

A: Molarity  can be calculated as follows

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 125.0 mL of 0.030 M…

A: Given,Molarity of the solution = 0.030M.Volume of the solution = 125.0mL = 0.125L.

Q: How many milliliters of 11.0 M HCl(aq) a V = are needed to prepare 545.0 mL of 1.00 M HCl(aq)? mL

A: We have to calculate the amount of milliliters of 11.0 M HCl(aq) are needed to prepare 545.0 mL of…

Q: How many liters of a 8.30 M KNO3 solution can be prepared from 72.8 g of KNO3?

A: Calculate number of moles of KNO3:

Q: A 0.750 ? aqueous solution of KBr has a total mass of 81.0 g. What masses of solute and solvent are…

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Q: How many grams of  KNO3  (101.11g/mol) are in 10.8 ml of a 1.25 M solution?

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Q: 1.60 mol of KNO3 in 250.0 mL of solution M

A: Solution Molarity (M) indicates the quantity of moles of substance per cubic decimetre of resolution…

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: Water is added to 25.0 mL of a 0.866M KNO3solution until the volume of the solution is exactly 500.…

A: The concentration of the final solution has to be calculated,

Q: How many moles of solute particles are present in 1 mL (exact) of aqueous 0.670 M CuSO4?

A: Given that, molarity of  CuSO4 solution =  0.670 mol/L Volume of solution = 1 mL = 1 x 10-3 L (Note…

Q: A slution contains 15 g of sucrose (mw=342.3 amu) dissolved in 200 g water. The density of the…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: An aqueous potassium iodate (KIO,) solution is made by dissolving 561 grams of KIO, in sufficient…

A: Given: The mass of KIO3 = 561 g The final volume of the solution = 3.30 L We have to calculate the…

Q: A solution is made with 14.97 g of the sugar Laneyalos in a 50 mL volumetric flask of mass 30.43. If…

A: Given: mass of sugar Laneyalos = 14.97 g Combined mass = 82.67 g

Q: What volume of 0.36 mol/L sodium hydroxide solution can be prepared from 85.0 ml of a 6.5 mol/L…

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Q: Water is added to 25.0 mL of a 0.866M KNO3solution until the volume of the solution is exactly 500.…

A: To solve this problem we will use the formula of dilution which is given as  M1V1 = M2V2  Where ,…

Q: How many mL of a 0.185 M aqueous solution of cobalt(Il) iodide, Col2, must be taken to obtain 20.5…

A: Cobalt (ll) Iodide ( CoI2 ) Molarity = 0.185 M = 0.185 mol/L Mass of CoI2 = 20.5 g   We know ;…

Q: a stock sulfuric acid solution contains 98.0% of sulfuric acis and its density is 1.840 g/mL. how…

A: Since the mass percent of sulfuric acid is given 98 %  And mass % = mass of sulfuric acid X 100 /…

Q: How many milliliters of 10.0 M HC1(aq) are needed to prepare 580.0 mL of 1.00 M HCI(aq)? % = ml

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Q: If a 8. 2 M of solution of KNO3 reaches a volume of 450 ml. what is the moles of solute needed?

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Q: Stock solution of HF is 49 % HF by mass and has a density of 1.17 g/mL.  What is the concentration…

A: The mass percent concentration of HF solution is = 49 % The density of the solution is = 1.17 g/mL…

Q: Exact amount of 25.0 ml NaOH solution whose concentration is 0.947 M was delivered from a pipet  a.…

A: Given the molarity of NaOH solution, C = 0.947 M or 0.947 mol/L  Volume of NaOH solution, V = 25.0…

Q: w many milliliters of an aqueous solution of 0.181 M zinc iodide is needed to obtain 3.11 grams of…

A: Mass of ZnCl2 = 3.11 g  Molar mass of ZnCl2 = 136.3 g/mol

Q: How many grams of solute are present in 19.0 mL of 0.746 M K2Cr2O7?

A: Mass of a solute can be obtained by equation given below:

Q: lo o adt i tud W aHmm Ee IT 0 Totew to onursng oq O.H 0.2 mol bowq otloe '17. A 9.50 % by mass…

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Q: Calculate the molarity. 1.25 g KNO3; 115 mL

A: Given: 25 g KNO3; 115 mL Formula used: Molarity=moles of the solutelines of solution

Q: An aqueous potassium iodate (KIO,) solution is made by dissolving 525 grams of KIO, in sufficient…

A:

Q: What is the molarity of the solution prepared by diluting 65 mL of 0.95 M NaSO4 solution to a final…

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