Describe how you would make 200.0mL of a 0.400 M NaOH solution from 12.0 M stock NaOH solution. Express with appropriate units.

Q: 1L of 25mM SDS solution is prepared by adding ml of 10% SDS solution to ml of water.

A:

Q: An aqueous solution of 6.70 M ammonia, NH3, has a density of 0.950 g/mL. The percent by mass of NH3…

A: The mass percentage of a component in a solution can be defined as follows: Mass % of a…

Q: A 67.0 mL portion of a 1.70 M solution is diluted to a total volume of 228 mL. A 114 mL portion of…

A:

Q: Determine the volume (in mL) of a 15.8 M HC2H3O2 stock solution must be used to prepare 775.0 mL of…

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

Q: À 0.690 m aqueous solution of KBr has a total mass of 64.0 g. What masses of solute and solvent are…

A: What masses of solute and solvent are present in 0.690m aqueous solution

Q: What volume, in mL, of 2.52 M HCl is required to prepare 176.5 mL of a 0.449 M HCl solution?

A: Given: M1= 0.449 M M2= 2,52 M V1= 176.5 mL V2= ?

Q: The molarity of 25.0% by mass HCI solution is ? The density of HCI solution is 1.20 g/mL.

A: Molarity is defined as number of moles of solute present in one liter of solutions

Q: What volume of 0.178 M sugar solution can be prepared from 66.3 mL of 0.356 M solution? Enter your…

A: Dilution equation can be used to calculate the volume of diluted solution.  c1v1=c2v2…

Q: Describe how you would prepare 100 m L of a solution that is 25 % acetic acid by volume .

A: Given  Volume %  =  25%  Volume of a solution  =  100 mL Method of Preparation of 25% acetic acid by…

Q: What volume (mL) of a concentrated solution of sodium hydroxide (4.00 M) must be diluted to 250.0 mL…

A: We know that : V1S1 = V2S2  Or, V1 = V2S2/S1 . ...(1) Here, V2 = final volume = 250 mL, S2 = final…

Q: If a chemist wishes to dilute a 1.000 × 103 mg/L stock solution to prepare 5.000 × 102 mL of a…

A: Given, Concentration of stock solution = 1.000 × 103 mg/L Volume of diluted solution = 5.000 × 102…

Q: A 65.0 mL portion of a 1.20 M solution is diluted to a total volume of 288 mL. A 144 mL portion of…

A: When the solution is diluted then the concentration of the solution decreases.  So the concentration…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: A solution is prepared by mixing 8.82 g of sodium carbonate with 173. mL of water. What is the…

A: mass to volume percent is defined as mass of solute devided by volume of solution.

Q: What volume of a 0.500 M HCl solution should you use to prepare 2.60 L of a 0.150 M HCl solution?

A: Given :-  Initial concentration (M1) = 0.500 M  Final concentration (M2) = 0.150 M  Final volume…

Q: A solution contains 25% by mass of HCl and a density of 1.08 g / ml. Which is the mass of water…

A: The concentration of the given HCl solution is given as - HCl = 25%  (w/w) Density of the solution =…

Q: A solution that is 7.56% by mass NaNO3 (molar mass=85.0 g/mole) in water (molar mass=18.0 g/mole)…

A: Given : Let us assume the given mass percentage as the mass of NaNO3. The mass of sodium nitrate is…

Q: Describe how you would prepare 50 mL of a 5 mM NaCl solution from a 1 M NaCl stock.

A:

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: A 11.33 M HCl solution has a density of 1.18 g/mL.  What is the concentration of this solution in…

A:

Q: How many grams of solute are needed to make 526 mL of 7.30 × 10² M potassium sulfate? g solute

A: Molarity of potassium sulphate is given by the following formula;

Q: Determine the molarity of a sodium hydroxide solution made with 0.449 grams of solid NaOH in exactly…

A: Calculate number of moles of NaOH:

Q: Someone needs a 0.125 M sulfuric acid solution. What volume (mL), of a 18.00 M sulfuric acid…

A: To find: A volume of 18 M sulfuric acid required to prepare 250 ml of 0.125 M sulfuric acid…

Q: solution would be required to neutralize

A: According to the question,  The neutralize reaction is given below – HCl(aq) + NaOH(aq) → NaCl(aq) +…

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 a solution prepared by adding 25.0 g NaCl to 125.0 g of water. a. What is the percent by…

A: Percent by mass is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: How many grams of solute are present in 885 mL885 mL of 0.220 M KBr?

A: Molar mass of KBr = 119.002 g/mol.

Q: 85% concentration of phosphoric acid has a density of 1.685 g/mL and a molecular weight of 98 g…

A:

Q: What volume of a 12 M hydrochloric acid solution (HCl) is needed to prepare 750 mL of a diluted 3 M…

A: When a solution is diluted, moles of solute remains constant

Q: What is a solution? What are the solute and solvent?

A: A solution: the mixture of the solute and solvent is called as a solution. Example of solution is…

Q: What volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471, in scientific notation

A: The number of volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471M has to be…

Q: 250. mL of water is added to 150. mL of a 2.32 M aqueous solution of glucose. The solution is then…

A: Given information: Volume of water = 250 mL Volume of glucose = 150 mL Concentration of glucose =…

Q: How many grams of dextrose are needed to make 675 mL675 mL of a 26.0% (w/v)26.0% (w/v) dextrose…

A:

Q: What volume  (in mL) of 2.85 M potassium sulfate solution would contain 30.8 g of solute? Enter…

A: Given - - > Mass of solute = 30.8 g Molarity of potassium sulfate solution = 2.85 M Molar mass of…

Q: If you have 155 mL solution of a 0.762 M FeCl solution, how many g FeCl are contained in this…

A: Given that : The volume of FeCl3 solution = 155 mL The molarity of FeCl3 = 0.762 M We have to…

Q: whats the mass of MgBr2 is required to make 200.0mL of 0.523 M MgBr2 solution?

A: volume of solution = 200 mL       { 1 mL = 10-3 L }  volume of solution = 200 * 10-3 L        volume…

Q: Calculate the final concentration of a solution that is made by dissolving 14.8 g of solid sodium…

A: The mass of solute is = 14.8 g The volume of the solution is  = 600.0 mL The concentration of 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: A 183  mL sample of a 1.5 M sucrose solution is diluted to 550 mL  What is the molarity of the…

A: Given the volume of stock solution=183 mL =0.183 Mmolarity of stock solution =1.5 Mvolume of diluted…

Q: What volume of 0.551 M stock hydrochloric acid solution would be needed to make 25.0 mL of a 0.125 M…

A: Given, concentration of stock solution of HCl =0.511 Mconcentration of diluted solution =0.125…

Q: mass

A: For finding the mass of sodium hydroxide in 12 % by weight, we have to see what 12 % means.

Q: Describe how you would prepare 250 ml (total volume) of a solution that is 0.25% phenolphthalein by…

A: 0.25% by mass means 0.25 g phenolphthalein is present in 100 g of solution. Or , in other words,…

Q: How many grams of copper sulfate would you need to make 4 L of a 6 M copper sulfate solution (m.w. =…

A: Given: Volume of CuSO4 = 4.0 L Concentration of CuSO4 = 6.0 M Molar mass of CuSO4 = 160.0 g/mol

Q: An aqueous solution of 2.54 M silver nitrate, AgNO3, has a density of 1.35 g/mL.The percent by mass…

A: The percent by mass of AgNO3 in the solution is calculated in step two.

Q: A  57.0 mL  portion of a  1.60 M  solution is diluted to a total volume of  278 mL.  A  139 mL…

A:

Q: Describe the process of determining how many grams of solute must be dissolved to generate a…

A: Anytype of concentration can be given. Here, we can take molarity as the concentration term.

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: What volume (mL) of a concentrated solution of calcium chloride (9.00 M) must be diluted to 350. mL…

A: Since we are just diluting the concentrated solution  Hence the moles of calcium chloride will be…

Q: 25.0 mL of a 7.00 M HCl solution Express your answer with the appropriate units. HA ? Value Mass =…

A: Part A Volume of NaOH solution = 3.00L Molarity of NaOH solution = 4.00M Determine the moles of…