W: 1. A solution of KC (its volume -500 ml) contains 7 45 ppm KCL Calculate

Q: al, how would you prepare 25 ml

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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: How much the glucose needed to make isotonic solution for human blood (glucose MW about 180).

A: Isotonic solution are those whose osmotic pressure are equal. Let us use this concept to find the…

Q: Part A a 1.50 M HCl solution prepared from 200.0 mL of a 7.0 M HCl solution Express your answer…

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Q: How m NaOH any milliliters Of 2.00AM NaoH2 SOlution Contains 5.25g

A: From the Mole concept: Number of moles present in the solution is the ratio of given mass of the…

Q: How many L of solvent should be added to 0.77L of a 1.0M solution if you want a final concentration…

A: Given, Initially: Concentration of the initial solution (M1) = 1.0 M Volume of the initial solution…

Q: 5. A 10 mL solution of 3 M HCl is diluted to 50 mL. What is the concentration of the 50 mL solve

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Q: 1. If you have a solution that is 6 percent by mass of LiCl in benzene, what is the new ooiling…

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Q: What volume of cefoxitin (50 mg/ml) should be added to 500 ml of tryptone soya broth to yield a…

A: The question is based on the concept of solutions. We need to calculate how much cefoxitin need to…

Q: How many grams of sodium chloride would make the solution below isotonic? Chlorobutanol 8g (E=0.24)…

A: Isotonic Solutions have same osmotic pressure. For this purpose following formula we can use -  π =…

Q: 5. How can you make a 640 mL 0.5 NaOH solution out of a) 0.2M NaOH b) solid NaOH c) 8M NaOH

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Q: What volume (in mL) of a 0.316 M H,SO4 solution is needed to neutralize 46.0 mL of a 0.265 M NaOH…

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Q: How would you prepare 50.0 mL of a 0.25 M solu#on of glucose from a 1.20 M stock solu#on

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Q: You need to make 500 mL of a 0.20 M KCl solution. How many grams of KCl do you need?

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Q: What is the glucose concentration of the sample?

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Q: How to increase the concentration of KCL saline solution from 10% to 20%

A: Ad a suitable amount of KCl to increase its percentage concentration in the solution.

Q: -2 The PPm ConCentration of 4.5 * lo M Solution of Lif is I 1940 PPM- D 196. PPm 3 1950 PPm

A: Molarity and ppm are the units of concentration. Molarity is the number of moles of solute in 1 L of…

Q: In order to prepare 50.0 mL of 0.200 M HCL you will add ____ mL of 1.00 M hcl to ____ mL of water.

A: Therefore 10.5mL of 1.36 M solution is needed to prepare 0.286 M solution.  In order to make 50.0 mL…

Q: A 500 mL can of beer contains 21.5 mL of ethanol. Calculate the concentration of ethanol in beer as…

A: Given, volume of ethanol = 21.5 mL Volume of beer = 500 mL  V/V % of ethanol in beer  = ?

Q: If 14.243 g of KI is dissolved in sufficient water to make 500.00 mL of solution, what is the…

A: Molarity :- Molarity is defined as the moles of a solute per liters of a solution.  Molarity is also…

Q: How many grams of stearic acid are in 0.76 mL of solution in hexane that has a concentration of…

A: The strength of the solution is defined as the mass of the solute in gram present in 1 L of…

Q: is 40% aqueous solution of formaldehyde * Your answer

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Q: Calculate the %(m/m) concentration of the following solutions • 75 g of KCl and 225 g of water • 225…

A: In this question, we have to find out the correct answer of given problem by the help of "Mass-Mass…

Q: How many quarts of water must be added to 2 gal of soup that is 70% chicken broth to make the soup…

A: Given  initial volume of soup = 2 gal = 0.5 quarts 0.5 x 70 % = 0.35 quarts Let the final volume be…

Q: What mass of sodium hydrogen carbonate (NaHCO) is required to prepare a 250.00 ml of a 0.250 M…

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Q: One liter of a 1g/ml NaOH solution has more Na molecules than K molecules in one liter of a 1g/ml…

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Q: Compute (UN)% solution prepared by adding 50 ml a cid to 20o ml water ? Ans.: 20%

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Q: 3.5 moles of KCI are dissolved in 0.50L of water. Calculate the molarity of KCI solution.

A: Given data: Moles of KCl = 3.5 mol. The volume of KCl solution = 0.50 L. To calculate: The molarity…

Q: of sulfuric acid in a 5.00 % solution 0g 0g

A: 5% by mass means,  100 g solution contains 5.0 g H2SO4 If mass of sulfuric acid = 25.0 g  If 5.0 g…

Q: colo of milk powder solution when it is mixed with benedicts solution

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Q: Prepare 100 mL of a 10mM tris solution using a 1M tris stock (include the amount of water in your…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) remains unchanged. i.e,…

Q: Q26(B)(b)

A: We will use formula of molality

Q: How many moles of Na2CO3 are there in 10.0 L of 2.00 M solution? Show a clear solution.

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Q: Show your solution please How many ml of a 5M stock solution of NaCl are needed to prepare 200 ml…

A: Given;

Q: How do you prepare 250 mL of a 1.0 M NaOh solution?

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Q: An intravenous solution contains 29 mEq/L each of Ca2+ and 02- How many moles of Ca2+ are in 4.6 L…

A: Given concentration of Ca2+ is 29mEq/L Also concentration of O2- is 29mEq/L Volume of the solution…

Q: Fifty milliliters (mL) of a 0.10N solution of sodium thiosulfate, Na2S2O3, is to be diluted to make…

A: Dilution It is the process of addition of solvents to obtain a less concentrated solution than the…

Q: Question 13 Explain the differences between osmosis and dialysis. Be specific. Edit View Insert…

A: Osmosis and dialysis they both are a type of diffusion.

Q: A 250 mL glass of champagne contains 35 mL of ethanol. What is the concentration of ethanol in the…

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Q: 1. A 250.0-mL aqueous solution contains 45.1 µg of pesticide. Express the pesticide's concentration…

A: The volume of the solution is = 250.0 mL The mass of solvent is = 45.1 μg

Q: Calculate either [H3O+][H3O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A:…

A: Ionic product of water will be the product of concentrations of H3O+ and OH- at a particular…

Q: How many grams Na2SO4 should be weight out to prepa 500ml of a 0.100M solution?

A: Molarity is defined as the amount of solute expressed in the number of moles present per liter of…

Q: 1- What is the weight percent of ethanol in a solution made by dissolving 5.3 g of ethanol in 85.0 g…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Q3: How many milliliters of a 5M H2SO4 solution are needed to prepare 0.35L of 0.5M solution?

A: Given, Initial Molarity of H2SO4 . = 5 M Final Molarity , M2  = 0.5 M Final volume , V2  = 0.35 L…

Q: One litter of a 500 ppm solution of KCI04 contains how many grams of K+

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Q: How many mL of 0.400 M KCl would be required to make a 0.0815 M solution of KCl when diluted to…

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Q: What will be the mass (in g) of NaOH in 25 mL of 0.25 M solution?

A: The molarity of a solution is the ratio between the number of moles of the compound to the volume of…