Suppose 25.4 grams of NaCl was added to 400 mL of water. The resulting solution was again diluted with water 1:100 with water. What is the final concentration of the NaCl in μM? The molecular weight of NaCl is 58.44.

Q: Normal saline solution (the kind you receive intravenously for medical purposes) is made by…

A: Molarity is defined as the number of moles of solute present in 1 liter of solution.  Mathematically…

Q: Vinegar is sold as a standardized solution of 5.00% by mass acetic acid in water. Assuming the…

A: Given that vinegar is  5.00%  by mass acetic acid in water. i.e. 5 g of acetic acid (CH3COOH) is…

Q: A student prepares 2.0 liters of an aqueous solution of calcium carbonate (molar mass = 100.09…

A: The objective of this question is to calculate the molarity of a solution prepared by dissolving a…

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: A chemist prepares a solution of vanadium III chloride VCl3 by measuring out 0.90g of…

A:

Q: A doctor orders that a patient receive 0.0036 mole of sodium chloride.  The only solution available…

A: Given a solution: 5.00 g per 500 mL NaCl solution. moles of NaCl required = 0.0036 mol Using the…

Q: A solution is prepared by dissolving 3.2 grams of NaCl (MM=58.44 g/mol) in enough water to make…

A: The molarity is a concentration term which is explained as the number of moles of solute dissolved…

Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: Suppose 31.1 g of barium nitrate is dissolved in 200. mL of a 0.60 M aqueous solution of sodium…

A:

Q: A sample of 7.89 g of Mg(OH)2 is added to 24.6 mL of 0.190 M HNO3. How many moles of HNO3 are…

A:

Q: Suppose 17.0g of barium nitrate is dissolved in 100.mL of a 0.70 M aqueous solution of…

A:

Q: A chemist must prepare 625. mL of 14.0 µM aqueous mercury(II) iodide (Hg¹₂) working solution. He'll…

A: Given data, Concentration of stock solution = 0.0000292 M Concentration of working solution = 14.0…

Q: A solution of dispersant is made by taking 10.0 mL of a 80.0 mg⋅mL−1 solution of Tween 80 and mixing…

A: Given: Volume of solution of tween 80 used = 10.0 mL Concentration of tween 80 in the solution =…

Q: The maximum contaminant level of fluoride (F−)(F−) in drinking water as set by the the Environmental…

A: Parts per million is abbreviated as ppm and is expressed as mg/L. 1 ppm=mgL

Q: A 65.0 mL65.0 mL portion of a 1.50 M1.50 M solution is diluted to a total volume of 228 mL.228 mL. A…

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L

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: In the laboratory you dissolve 23.8 g of aluminum bromide in a volumetric flask and add water to a…

A: To calculate the molarity of the solution, we need to first determine the number of moles of…

Q: calculate the concentration of dye in the resulting mixture in units of mg of dye / L of solution.

A: Given :-  initial concentration of food dye solution = 45.1 mg of dye / L of solution  initial…

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: Suppose 5.53g  of sodium chloride is dissolved in  100.mL  of a  0.50 M  aqueous solution of…

A:

Q: To what volume should you dilute 125 mL of an 8.00 M CuCl2 solution so that 50.0 mL of the diluted…

A: Here according to given conditions in question we are doing that:-

Q: You take 5.0 mL of a 1.50 M solution of sucrose and dilute it to 250.0 mL. what is the mass of…

A: First use dilutuon formula to get the Final molarity after dilutuon  Then use formula…

Q: In the laboratory, you dissolve 19.9 g of cobalt(II) chloride in a volumetric flask and add water to…

A: Given, amount of cobalt(II) chloride w = 19.9 g volume of solution V = 125 mL = 0.125 L we are asked…

Q: A sample of 7.44 grams of magnesium chloride is weighed out on a balanced and prepared to a volume…

A: Interpretation: A sample of 7.44 grams of magnesium chloride is weighted out on a balanced and…

Q: Suppose 2.01g  of sodium nitrate is dissolved in  350.mL  of a  31.0mM  aqueous solution of…

A:

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: 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 chemist prepares a solution of vanadium III bromide VBr3 by measuring out…

A:

Q: In order to prepare a certain volume of solution with a desired concentration, you would need to…

A:

Q: An aqueous solution of ammonium sulfate,(NH4)2SO4 , is made by dissolving 3.44 grams of ammonium…

A:

Q: Suppose 6.22 g of ammonium iodide is dissolved in 250. mL of a 0.20 M aqueous solution of potassium…

A: Given ,  Mass of ammonium iodide = 6.22 g Molar mass of ammonium iodide = 144.94 g/mol Moles of…

Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

A:

Q: A chemist prepares a solution of iron II bromide   FeBr2   by measuring out 17.mg of FeBr2 into a…

A:

Q: 3.45 mol of LiCl in 3.53 L of solution Express the molarity in moles per liter to three significant…

A: Given  (a)  Number of mole of LiCl = 3.45 mole        Volume = 3.53 Liter        Molarity = ?  (b)…

Q: In the laboratory you dissolve 21.6 g of copper(II) bromide in a volumetric flask and add water to a…

A:

Q: Suppose 5.25 g of nickel(II) bromide is dissolved in 100. mL of a 0.20 M aqueous solution of…

A:

Q: If 16.0 mL of water are added to 31.5 mL of 0.586 M Ba(OH)2Ba(OH)2 (aq), what is the new solution…

A: The objective of this question is to calculate the new molarity of the solution after water has been…

Q: Suppose 0.775 g of sodium iodide is dissolved in 100. mL of a 57.0 m M aqueous solution of silver…

A: The molarity of a solution is calculated by dividing the moles of solute by the volume of solution…

Q: A 0.3240 g sample of potassium hydrogen phthalate is dissolved in 100.0 mL of water. If 26.79 mL of…

A: The objective of this question is to calculate the molarity of the sodium hydroxide solution using…

Q: Suppose 1.47 g of zinc iodide is dissolved in 100. mL of a 76.0m M aqueous solution of potassium…

A: This question involves calculating the final molarity of zinc cation (Zn2+) in a solution that…

Q: Intravenous (IV) saline solutions are often administered to patients in the hospital. Normal saline…

A: Molarity is the ratio of the moles of solute to the volume of solution in L.Moles of solute is the…

Q: Suppose 2.14 g of ammonium nitrate is dissolved in 300. mL of a 40.0 m M aqueous solution of sodium…

A: The balanced chemical equation for the dissolution of ammonium nitrate are :----NH4NO3 (s) → NH4+…

Q: Suppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver…

A:

Q: Suppose 20.4 g of ammonium sulfate is dissolved in 150. mL of a 0.70 M aqueous solution of sodium…

A:

Q: A solution is prepared by dissolving 43.7 g of potassium chloride (KCl) in a small amount of water…

A: Mass of KCl = 43.7 g  Volume of solution = 250 mL = 0.25 L

Q: Suppose 7.13 g of iron(II) bromide is dissolved in 100. mL of a 0.70 M aqueous solution of silver…

A: Given: Mass of iron (II) bromide i.e. FeBr2 = 7.13 g Volume of solution = 100 mL = 0.100 L…

Q: A student needs to prepare 250 mL of a 0.750 M aqueous solution of sucrose, C₁2H₂20₁1 (aq), which is…

A: Standard solutions are solutions having known concentration. It is generally prepared from a known…