2 How many liters of 35M solution can be made using 75 grams of liehium bromide?

Q: The molecular weight of sulfadiazine is 250 g / mol What volume of DMSO is needed to make a 20 mM…

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Q: It is desired to have a Br concentration of 260 mg/L. How many grams (g) of 82% pure MgBr₂ is needed…

A: We want to make 14 liters of a solution with a Br concentration of 260 mg/L. We have 82% pure MgBr₂.

Q: Calculate, in mL, the required volume of a concentrated 950 ppm methylene blue solution required to…

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Q: what volume in L of a .724M Nal solution contains .405mol of Nal

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Q: how would you make 500ml of a .090M solution of CaCl2 from pure soild CaCl2

A: Since all the term used in the molarity are known, excluding mass of solute (CaCl2). hence, we can…

Q: Q1/ The molarity and Normality for 250 ml of ?1.05% NaHCO3

A: Molarity is defined as the number of moles of solute dissolved in 1 litre of solution. where a…

Q: Nafcillin sodium 250mg q4h is prescribed. 1.7 ml of diluent is added to a 500 mg vail to produce 2…

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Q: suppose we need 500ml of 3M fluoric acid from 15M stock solution. how much stock solution we need?

A: Given :  Concentration of stock solution (M1) = 15M  Concentration of dilute solution (M2) = 3M…

Q: how many grams of an NaCl will be in 70 mL of a 4% solution?

A: weight/volume concentration is defined as weight of solute devided by volume of solution in ml.

Q: Prepare a solution of 50 ml at 5% m / v of NaHCO3.

A: Given  The (m/v) percentage of NaHCO3 = 5% The volume of NaHCO3 solution required = 50 mL

Q: Tropicamide Sorbic acid Sodium chloride Purified water ad Make isotonic solution 0.1% 0.02% q.s 60ml…

A: To make the isotonic solution, the amount of sodium chloride (NaCl) required can be calculated using…

Q: #4 How many liters of 0.88 M solution can be made with 25.5 grams of lithium fluoride?

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Q: How are 4ml of 50mM CaSO4 solution prepared from a 2M CaSO4 stock?

A: Molarity (M2) = 50 mM Volume (V2) = 4 ml  Molarity (M1) = 2 M  Volume (V1) = ?

Q: How many grans of zinc sulfate are made when 25mL of 1.5M sulfuric acid is added to excess zinc

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Q: What volume of a 0.1 M Sodium Hydroxide solution could be made with 200g of solute?

A: Given data: Molarity = 0.1M Weight of solute = 200 grams

Q: How many millimoles of NaCl are present in 25 mL of a 0.035M solution?

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Q: How many milliliters of ethanol are in 500.0 mL of 40.0 % (v/v) ethanol?

A: Percentage by volume of any solution can be determined by dividing volumeof solute by volume of…

Q: Two hundred milliliters of 2% acetic acid is needed. How many milliliters of 5% acetic acid are…

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Q: How many milliliters of hydrogen peroxide 6 % (w/v) solution do you need to add to 150 mL of…

A: we have to calculate the volume of hydrogen peroxide 6 % (w/v) solution needed to prepare a hydrogen…

Q: Federal regulations require that drinking water have below 15ppb of lead. A 4.55 L sample of water…

A: Answer : concentration of Lead in sample  = 0.115 / 4.55 = 0.02527 mg /L now the density of water  =…

Q: 9. How you would prepare a 1:25 dilution (v/v) of the solution prepared above?

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Q: Trail 1 volume vinegar, mL 4.00 mL g HC2H3O2 in sample taken 60.10 % HC2H3O2 (W/V) ?

A: Since % (w/V) is defined as  % (w/V)  = mass of solute taken in g X 100 / volume of solution taken…

Q: I am making a 500ml solution that has a concentration of 1X NaCl and I have 800X NaCL to use. How…

A: The initial concentration of the stock NaCl solution is M1 = 800X. The final concentration of the…

Q: How many mL 12.0M nitric acid are needed to make 625mL 0.11M nitric acid?

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Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL…

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is…

Q: How many moles of ammonium nitrate are in 870 ml of a 3.5M solution?

A: Given, Molarity = 3.5 M Volume = 870 mL 1000 mL = 1 L 870 mL = 0.870 L

Q: How many mL of 30% H2O2 solution with a molecular weight of 34 g/mol and a density of d:1.12g/mL…

A: Given that, percentage composition of H2O2 = 30% =30100 molecular weight of H2O2 = 34 g/mol  density…

Q: How many grams per millilitre of NaCl arecontained in a 0.250 M solution.

A: Molarity: It is the parameter that expresses the amount of a solute that is present in one liter of…

Q: How to get 10% HCl solution and 6 M HCl Solution from concentrated HCl solution, which is 12 M or…

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

Q: What is the m/m% concentration of a 326gram solution of NaoH that contained 75 grams of NaOH in…

A: Given, mass of solution = 326 g Mass of NaOH = 75 g Density of water = 1.0 g/mL mass percent (m/m%)…

Q: when 15.00 mL of water is added to 5.25 mL of LiCl, what is the volume percent concentration (v/v%)

A: Volume by volume percentage (v/v%) is the volume of the any component (Solute or Solvent) in total…

Q: How many millimoles of NaCl are present in 150 mL of a 4M solution?

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Q: What mass of lithium iodide is needed to make 0.35 m solution with 1.4kg of solvent

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Q: How do you prepare 1 liter of a 150 mM tris? From 1 Molar Tris Stock solution.

A: Given: Concentration of tris = 150 mM = 150 x 10-3 M = 0.150 M = 0.150 mol L-1 Volume of solution =…

Q: How do you know that 0.8% means 0.8 in 100mL?

A: Given,  How do you know that 0.8% means 0.8 g in 100mL? Use the formula as : Mass/volume percent =…

Q: How many milliliters of a 12.0% (v/v) propyl alcohol solution would you need to obtain 14.5 mL of…

A: Given, the precent of( vv) of a solution =12 %and we are asked to calculate the volume of 12 % (vv…

Q: 5. How many grams of CuSO4 * 5 H₂O are needed to prepare 100 ml of a 0.10M solution? (This is like…

A: The target volume to prepare is 100 mL and the concentration is 0.10M CuSO4. So we have…

Q: How to prepare 250 ml of 98% H2So4 solution with a density of 1.98 g / ml? (H2So4: 98 g / mol

A: Volume of solution is 250 mL Density of solution is 1.98 g/mL Thus we calcuate mass of solution from…

Q: 8-The label of a bottle shows the information, 5% (v/v) saline solution. This information indicates…

A: Titration is the quantitative method of estimating the strength of any component. Molarity is…

Q: How would you make 250 mL of a 1.0 M solution from a 2.8 M HCl stock solution

A: If have already prepared stock solution of HCl , then we can dilute it using this Solution. For this…

Q: How many mL of ethyl alcohol are required to make a 2.01% (v/v) aqueous solution in a 300. mL…

A: Volume percent (v/v) % :-  The volume of solute in mL present in 100 mL of solution is defined as…

Q: How many ml of a sodium hydroxide solution with a concentration of 40g/100cm3 should be measured out…

A: Here we are required to find the volume of stock solution required to prepare 200cm3 of 0.5 M…

Q: How many grams of albumin do you need to make a 0.2% solution in 100mL of water? 33333

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Q: A chemist added 40 ml of pure acetic acid to 100ml of 20% v/v solution of acetic acid in water. What…

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Q: How many grams of NaCl would be needed to make a 500mL 1.5M NaCl solution

A: The number of moles of a solute per litre of solution is known as its molarity or molar…