For an experiment you need to prepare 3.80 liters of a 2.25 M NaOH solution.How many grams of NaOH should you weigh out?

Q: What is the mass of a solution if 25.0 ml of NaOH was added to a 35.0 ml of water? Assume a density…

A: The density of a solution is the ratio of its mass to volume. It is labelled in equation (1) in…

Q: In the laboratory you are asked to make a 0.434 m calcium iodide solution using 375 grams of water.…

A: Given information,   0.434 m calcium iodide solution   Mass of water = 375 grams = 0.375 kg

Q: grams of barium hydroxide

A:

Q: How many grams of NaOH are there in 125 mL of a 0.221 M NaOH solution?

A: NaOH molarity = 0.221 M  Volume given = 125 ml no. of moles(n) = molarity ×Vml1000  Substitute the…

Q: What volume of a 0.540 M NaOH solution contains 12.5 g of NaOH?

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: A 10 % solution of NaCl means that in 100 grams of solution there is? a. 5.85 g NaCl b. 58.5 g…

A: A multiple choice question based on percentage of solution, which is to be accomplished.

Q: 1.50 mol of NaOH in 1000. mL total volume of solution

A: Given that , the mol of sodium hydroxide, NaOH Solution = 1.50 mol And , volume of the solution =…

Q: What is the molarity of a solution where 0.082 grams of sodium chloride was dissolved in water to…

A: Since you have posted multiple questions, we will solve the first one for you. Kindly post the…

Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: What is the molarity of 30g of table salt in 120ml of water. Density of table salt is 2.17 g/ml.

A: Molarity is the amount of moles of any substance present per liter volume.  Molarity = moles of…

Q: In the laboratory, a student dilutes 26.7 mL of a 7.32 M hydrochloric acid solution to a total…

A: Initial Molarity, M1 = 7.32 M Initial volume, V1 = 26.7 mL Final Molarity, M2 = unknown Final…

Q: If you have 500 mL of a 9% aqueous solution of hydrogen peroxide, what volumes of hydrogen peroxide…

A: If 10% any substance present in water that means     10 ml or 10 grams substance in 90 ml or 90…

Q: What volume, in mL, of a 0.35 M Mg(NO3)2 aqueous solution contains 87 g of Mg(NO3)2?

A: Definition of Molarity is, Molarity is the number of moles of solute dissolve in one litre of the…

Q: a chemist wants to make 5.5 L of a 0.300 M CaCl2 solution. What mass of CaCl2 (in g) should the…

A: Given : Concentration of CaCl2 = 0.300 M And volume of solution = 5.5 L

Q: What mass of sodium chloride and what volume of water are needed to prepare 5.00*102 mL of a .89% by…

A: The question is based on the concept of solution preparation. mass percentage is defined as amount…

Q: A student wants to prepare a 1.5 M NaCl solution. How many liters of solutions can be made if the…

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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 laboratory assistant needs to prepare 345 mL of 0.180 M CaCl2 solution. How many grams of calcium…

A: Given : concentration of CaCl2 = 0.180 M And volume of solution = 345 mL = 0.345 L…

Q: Commercial hydrochloric acid (HCl) has a concentration of 12.1 M. What volume of the commercial HCl…

A: Since we know the final volume and concentration of the HCl solution as 250 ml and 3 M Hence final…

Q: You need to prepare 343 mL of a 5.00 x 10 M CuSO4 solution from a 7 M stock solution. How much…

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

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Q: a chemist wants to make 5.5l of a 0.300 M CaCl2 solution. What mass of CaCl2 (in g)  should the…

A: Given: Volume of solution = 5.5 L And concentration of CaCl2 = 0.300 M

Q: What mass of NaOH is in 2.0e+02 mL of a 5.6 M NaOH solution?

A: Given data molarity of NaOH solution = 5.6 M = 5.6 mole/L volume of solution = 2.0x102  mL = 200 mL…

Q: A chemist needs exactly 2 moles of NaOH to make a solution. What mass of NaOH must be used

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many grams of NaOH would you need to make 6,924 mL of a 140 mM NaOH solution (m.w. = 40.00…

A: Given information: Concentration of NaOH = 140 mM Volume of solution = 6924 mL

Q: In the laboratory you dilute 4.49 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A: Given, Volume of nitric acid = 4.49mL Molarity of nitric acid = 6.00 M

Q: A 0.056 mol/L Na2CrO4 solution contains 9.100 g NaCrO4- What is the volume of the solution

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Q: How much NaCI (s) do you need to prepare 435 mL of a 2.5 % (m/v) NaCI solution?

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Q: 5. A solution of barium hydroxide, Ba(OH)2, contains 4.285 g of barium hydroxide in 100.0 mL of…

A:

Q: What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 105 M solution?

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

Q: Find the percent by mass of NaCl in a 1.35 M NaCl solution if the density of the solution is 1.05…

A: Given, molarity of NaCl = 1.35 M = 1.35 mol/LThis means that there are 1.35 moles of NaCl in 1 L or…

Q: How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g of sodium…

A: Percentage (mass/volume) can be defined as the weight of solute in g per volume of solution in mL,…

Q: How many grams of NaOH are there in 333. mL of a 0.90 M NaOH solution?

A: The molarity of any solution is defined as the ratio of no of moles of the solute to that of volume…

Q: What volume (mL) of a 15% (m/v) NaOH solution contains 120 g NaOH?

A: 15% (m/v) NaOH solution We have to find volume (mL) of a 15% (m/v) NaOH solution contains 120 g…

Q: You wish to make a 0.397 M nitric acid solution from a stock solution of 6.00 M nitric acid. How…

A: With data's given  We are calculating total volume by using dilution formula as follows

Q: What volume of a .32 M Mg(NO3)2 solution contains 45 g of Mg(NO3)2?

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Q: In the laboratory you dissolve 14.1 g of chromium(III) nitrate in a volumetric flask and add water…

A:

Q: What is the mass % of isopropanol in a 2.13 M solution of isopropanol (MM = 60.10 g/mol) in water?…

A: Given :- Molar concentration of isopropanol solution = 2.13 M  Density of solution = 0.899 g/mL…

Q: 3. If a researcher starts with 3.00 mL of a 4.50 mg/mL protein solution and adds 10.0 mL of water,…

A:

Q: what is the mass % of isopropanol in a 2.53 M solution of isopropanol (MM=60.10 g/mol) in water? The…

A: The term mass percentage is a method to represent the concentration of the elements in a given…

Q: You are trying to prepare 75 mL of 1.00 M sodium chloride solution. How many grams of sodium…

A: Given data,The volume of NaCl = 75 mLThe concentration of NaCl = 1.00 MMolar mass of NaCl =…

Q: How many grams of NaCl are in a 685 mL of a 4.5 M NaCl(aq) solution?

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Q: You have 6L 5M sodium chloride stock solution and you want to prepare 2L 250mM NaCl solution. How…

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Q: A solution 15%(m/m) Na3PO4. What volume of the solution do you need to get 7.5 g of Na3PO4?

A: The mass percent of a solute in a solution = (mass of solute/mass of solution) x 100 The mass of the…

Q: What is the molarity of a solution containing 36.3 g of NaOH in 1.40 L? The molar mass of NaOH is…

A: The mass of the NaOH given = 36.3 g The volume of the solution = 1.40 L The molar mass of NaOH =…

Q: Assuming the volume of a pink freezer pop solution is 30.0 ml and the concentration of red pop is…

A: Given,  Volume = 30 ml                 = 30×10-3L = 0.03L Concentration of red pop = 3.03g/L To find…

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: If 426 mL of 0.204 M HCI solution is needed to neutraize a solution of Ca(OH)2. how many grams of…

A:

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…