Prepare 250 ml of 2.5% w/v NaCl

Q: 4. How many grams of MgCl2 is dissolved in enough water to prepare 1500 mL of solution containing…

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Q: How many grams of lithium chloride must be taken for preparation of a 100 g of 2.5 % solution? a.…

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Q: How would you prepare 250.0 mL of a 0.150 M KCl solution from solid KCl?

A: Given  Volume     = 250 mL 1000 mL   = 1 Liter  250 ml      =  2501000Liter                  = 0.250…

Q: Calculate the milliliters of solution needed to prepare a 35% ( m/v) NaOH solution containing 27g of…

A: Mass/Volume (m/V)% :- It is defined as the mass of solute present in 100 mL of solution. (m/v)% =…

Q: Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 75.5 g of H2

A: We have given that  Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and…

Q: Describe how you would prepare the following solution  500 mL of 1.5 M NaCl from 7.3 M NaCl

A: Step 1) Dilution is a process of reducing the concentration of given solute in the solution. For…

Q: How would you prepare 2 x 102 mL of 0.9 M NaOH solution, starting from 5.01 M stock solution?

A: Given, 2 x 102 mL of 0.9 M NaOH solution

Q: How many millimeters of concentrated HCl are needed to prepare 500mL of 0.25N HCl? 10.4 mL 11.4 mL…

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Q: Calculate the molarity of each aqueous solution:(a) 78.0 mL of 0.240 MNaOH diluted to 0.250 L with…

A: a) Given : Initial volume of solution = 78.0 mL  Initial molarity of NaOH = 0.240 M Final diluted…

Q: Calculate the weight of NaOH present in 5.0 mL of a 1.0 % (wt/v) NaOH solution 1.0 g 0.50 g 0.10 g…

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Q: How would you prepare 100 mL of an aqueous solution with 0.40 M KI? A solution  with 0.65 M NaCN?

A: Given,  a). How would you prepare 100 mL of an aqueous solution with 0.40 M KI = ? b). How would you…

Q: What is the mass percent (m/m) of NaCl solution made by dissolving 3.0 g of NaCl in 60.0 g of H2O?

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Q: How would you prepare a 175.0 mL solution of a 0.150 M of AgNO3 solution starting with pure AgNO3?

A: Given, the volume of solution V =175.0 mL =0.175 Lconcentration of AgNO3 solution =0.150 Mwe are…

Q: 100 mL of a 0.55 M Ca(OH)2 solution contains how many grams of Ca(OH)2?

A: Given:Volume = 100 mL = 0.1 L.Molar mass = 74.092 g/mol.Concentration (Molarity) = 0.55M.

Q: How could you prepare 500. mL of a 5 % m/v glucose solution from a 25% m/v stock solution?

A: 25% m/v stock solution of glucose contains 25 g of glucose in 100 mL of the solution and 5% m/v…

Q: How To Prepare 100 ML Of A 0.08 N Potassium Acid Phthalate (KHC8H4O4) Solution.

A: Detail mathematical calculation is shown below

Q: assess the ml (milliliters) of solute required to prepare 0.75 L of a solution prepared at 7.40% v /…

A: The volume percent or V/ V % is adopted to represent the concentration of a solution when the volume…

Q: How many liters of a 0.75 M solution can be made with 75 grams of lead (II) oxide PbO?

A: Given  Molarity of solution = 0.75 M or 0.75 mole/Liter Mass of PbO      = 75 gram Volume in Liter…

Q: How many grams of Na2SO4 should be weight out to prepare 500 ml of a 0.2 M solution?

A: Given details, Volume = 500 mL = 0.5 L Molarity = 0.2 M To calculate the mass in grams.

Q: How many grams of Na2CO3 are needed to prepare 11.6 mL of a 1.27%(m/v) Na2CO3 solution?

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Q: Calculate the mass percent.by volume of 76.6 g of glucose (C₂H₁₂O MM = 180.2 g/mol) in 325 mL of…

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Q: Calculate the mass of KCl needed to prepare 200.0 g of 5.00% (m/m) KCl solution.

A: Here, we have to calculate the mass of KCl needed to prepare 200.0 g of 5.00%(m/m) KCl solution.

Q: How would you prepare 790 mL of 8.8 M NaCl solution?

A: We have given that  Volume of solution = 790 mL = 0.790 L Molarity (M) =  8.8 M

Q: how many ml of water should be added to dilute 60.00 ml of 4.000 M kl to 1.500 M kl

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Q: How would you prepare the following aqueous solutions?(a) 1.40 L of 0.288 MKBr from solid KBr(b) 255…

A: a) To calculate the amount/weight of solid KBr that is required to make a solution of 0.288 M in 1.4…

Q: 1. What is the molarity of a solution made by dissolving 12.5 g NaCl up to 1 L of H2O?

A: Moles of NaCl is calculated as,

Q: Calculate the molarity (M) of 34% aqueous H3PO4 solution (d=1.2g/ml). (P:31, O:16 H:1 g/moles)

A: 100 g of solution contains 34 g H3PO4. Density of solution = 1.2 g/mL=1200g/L   [ 1mL=10-3L] Now…

Q: Describe how you would make 500 mL of a 3.5% (v/v) ethanol solution (m.w. = 46.1 g/mol)

A: In order to prepare 500 ml of 3.5 % (v/v) ethanol solution , we must determine the volume of ethanol…

Q: How can 100.0 ml of 1mg / ml NaCl solution be prepared from 50.0 g / l NaCl solution?

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

Q: What is the final volume (LL) of each of the following diluted solutions? a 8.0 %% (m/v) KOHKOH…

A: 8% m/v KOH solution means 8 g of KOH is present in 100 ml of solution. 20% KOH solution means that…

Q: What volume of 1.2M solution will have 8.4g of nitric acid?

A: Molarity is defined as the number of moles of the solute divided by the volume of the solution in…

Q: How many liters of a 14 % (m/v) KOH solution would you need to obtain 50.3 g of KOH?

A: Given data is as follows: The m/v % of the solution  = 14 %. Mass of the solute , KOH is = 50.3 g.

Q: What concentration in molarity is made by diluting 244 mL of 10.0 M HCl to 1.67 L?

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Q: Calculate the grams of calcium acetate required to make 2.00 L of a 0.250 M solution. 316 g 19.8 g…

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Q: Evaluate the ml of solute required to prepare 0.75 L of a solution prepared at 7.40% v / v

A: Concentration Term :-  % v / v  % v / v = ratio of the volume of the solute to the total volume of…

Q: 4. How would you prepare 2.5 L of a 1.0 M KCI / 20 mM NaCl solution? Molecular weights 74.6 and 58.5…

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Q: How many grams of water are necessary to create a 15.0% (m/m) sodium bicarbonate (NaHCO3) solution…

A: The required mass of water to prepare 15.0 % m/m of NaHCO3 is determined by equation (1) where…

Q: How would you prepare 275 mL of 0.600 M K₃PO₄ solution?

A: Given that: volume of K₃PO₄ = 275 mL = 0.275 L molarity of K₃PO₄ = 0.600 M  To prepare the 275 mL…

Q: mass of CuSO4·5H2O(s) required to prepare 100.0 mL of 0.100 M solution.

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

Q: How many grams of nickel (II) chloride salt is weighed and diluted to 25 mL with distilled water to…

A: Please find the attached images for answer

Q: How would one prepare 150. mL of 0.200 M HCl solution, from a stock solution of 6.0 M HCl?

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Q: 1. How many ml of NaOH in preparing 50 g of it in 1N of solution (Na- 23, O -16, H-1)

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What volume of water is needed for 25.0 L of 0.20 M NaCl to make a 0.15 M NaCl solution?

A: When any solution gets diluted then solution's concentration gets decreased. The dilution process…

Q: What volume (in mL) of concentrated hydrochloric acid is necessary to prepare 10 mL of 1:1 (v/v)…

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Q: What volume of 5.0 M acetic acid is required to prepare 100 mL of 0.50 M acetic acid?

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Q: How much of a 15.0M hydrachlaric Ciciè CHCI) shoule be Gdced to water make 100 mL cf a 3.001M…

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Q: How would you prepare 200.0 mL of 0.25 M NaCl solution from a 2.0 M solution?

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Q: How many grams of sodium hydroxide (NaOH) are required to make 500.0 mL of a 16.4 % (m/v) sodium…

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Q: Calculate number of grams required to prepare: 250. mL of a 1.2M(NH4)2SO4 solution. 1.50 Liter of a…

A: Given, 250. mL of a 1.2M(NH4)2SO4 solution.1.50 Liter of a 4.7 x 10-2 M H3PO4 solution