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prepare 250.0mL of a 0.500M solution of NaCl

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science-chem
first, thanks so much Bob for helping me!!!! Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment.... a.calculate mass of sodium chloride needed to prepare solution. (0.25L)(0.019M NaCl/L)*(58.5g NaCl/1mole NaCl)=0.278 g NaCl...

Chemistry
You are instructed to prepare 250 mL of a solution which is 50 M in NaCl and 0.10 M in acetic acid. Solid NaCl and a 3.0 M solution are avaliable. How would you prepare this solution?

Chemistry
If i titrated 25.0mL of 0.500M HCl with 0.500M NaOH and then 25.0mL of 0.500M of an unknown weak acid HA with 0.500M NaOH. How would the two titration curves compare at 10 or 15mL of NaOH Beyond equivelance pts? I think that they will be the ssame or similar but i don't know ...

chemistry
You are given a 25.0mL volumetric flask, describe the procedure you will follow in lab to prepare 25.0mL of a 0.019 M solution of NaCl?

chemistry
You are given a 25.0mL volumetric flask, describe the procedure you will follow in lab to prepare 25.0mL of a 0.019 M solution of NaCl?

Chemistry
Describe how you would prepare 250.0 mL of a 0.1500 M NaCl solution given that the NaCl is supplied as a solid. Describe how you would prepare 1.25 L of a 0.025 M sucrose solution from a stock solution with concentration of 5.00 M. What is the benefit of adding salt to water ...

Chemistry
25.0 mL of a NaCl solution (concentration unknown) was found to react with 20 drops of the chloride test solution from the PU Chloride Test Kit. Calculate the mass of NaCl (in grams) in this solution. Calculate the mass of NaCl required to prepare 0.250 L of a NaCl solution ...

chemistry
Calculate the equilibrium vale of Pb +2 (aq) in 1.00 L of saturated PbCl2 solution to which 0.250 mole of NaCl has been added. 60.0 ml of 0.0300 M NaCl 60.0mL of 0.0500 M Pb(NO3)2

chemistry
How many mL of a 0.90% (m/v) NaCl stock solution will you need to to prepare 250 mL of a 0.225% m/v NaCl solution?

chemistry
how many grams of NaCl required to prepare in 2500 ppm(w/v) NaCl 250 mL solution

chemistry
How would you prepare a 150.0mL of a 3.50 pH buffer solution using .500M NaOH and .500M HCOOH. I've gotten the base/acid ratio for the Henderson-H. equation. But now I'm not sure how to figure out the balance of solutions of HCOOH and NaOH to get both 150mL total and still ...

Chemistry & Math
If you add 1.0ml (cm3) of a aqueous solution of NaCl at 0.4mol to 9.0ml of water what's the final concentration of NaCl in mmol? ty

science
Q4.you will be asked to prepare 25.0 mL of a 0.019 M solution of sodium chloride during this experiment.... a.calculate mass of sodium chloride needed to prepare solution. (0.25L)(0.019M NaCl/L)*(58.5g NaCl/1mole NaCl)=0.278 g NaCl....is that right? someone just replied it was...

chemistry
When 25.0 ml of 0.500M HCI is added to 25.0ml of 0.500M KOH in a coffee cup calorimeter at 23.50C, the temperature rises to 30.17C. Calculate delta H of this reaction ( assume density of solution = 1g/ml)

chemistry
. Given the following stocks 4M NaCl, 3M NaOH, 5M HCl (a) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M (b) Prepare 300ml of a solution containing 0.5M NaCl (c) Prepare 200ml of a solution containing 0.5M NaCl and 0.1M HCl

Chem Urgent
Volume of stock solution a. 5.0mL b.10.0mL c.15.0mL d.20.0mL Prepare 25mL of each of the four different dilute solution Concentration of stock- 1.01E-5 Calculate molarity for a,b,c,d Molarity=m1V1/V2 for a would the answer be 2.02E6????? (1.01E-5)(5.0)/(25.0)

Chemistry
A student intend to prepare 200ml of 0.3M NaCl solution . The mass in gram of NaCl needed to prepare solution is ?!

chemistry
Prepare 600mL of a 100mM solution of glucose in 0.9% NaCl. Also need to prepare the 0.9% NaCl solution.

Chemisty
Describe how you would prepare 250 ml of a 0.10M NaCl solution?

math
you need to prepare 5ml NaCl solution . you already have a stock solution of 10% NaCl that you are asked to use . how many ul NaCl solution would you need to make 5ml of a 2% NaCl solution?

Scient
(NaCl) solutions used in intravenous injections have a concentration of 0.90% NaCl (mass/volume). 4.5grams of NaCl are needed to prepare 500.0 mL of this solution How much water must evaporate from this solution to give a solution that is 9.0% NaCl (mass/volume)?

chemisrty
Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams of NaCl in 900 mL of water. Assuming the density of pure water to be 1 g/mL, answer the following questions with regards to this solution: a) What is the mass percent of water in this solution? b) What is ...

chemistry
what is the molarity of a sodium hydroxide solution if 26.0mL of the solution os titrated to the end point with 57.5mL of a 0.500M hydrochloric acid solution

Chemistry
Calculate the concentration of an acetic acid solution prepared by mixing 13.5mL of 10.0M acetic acid with 250.0mL of .15M NaCl solution.

english
calculate the mass and prepare 200ml 0.1M, 250 ml 0.2 N, 100 ml 3% of NaCl, Na2Co3 solution

Chemistry
What is the molarity of the solution prepared by diluting 25.0ml of 0.220M NaCl to 75.0ml of final volume?( explain your steps)

Chemistry
If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint: resulting solution has a volume of 100 mL)

Chemistry
If 50.0mL of 1.60M HCl was added to 50.0mL of 1.80M NaOH, calculate the molarity of the resulting NaCl solution. (Hint: resulting solution has a volume of 100 mL)

Chemistry
Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic with blood, if the van’t Hoff factor of ...

Chemistry
Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic with blood, if the van’t Hoff factor of ...

chem
The pH of saturated Sr(OH)2 is found to be 13.12. A 15.0ml sample of saturated Sr(OH)2 is diluted to 250.0ml in a volumetric flask. A 15.0ml sample of the diluted Sr(OH)2 is transferred to a beaker, and some water is added. The resulting solution requires 29.3ml of a HCl ...

Chemistry
What is the molarity of a solution of Mg(OH)2 if the solution contains 1.35 g in exactly 100 mL of solution??? A 15.0 mL solution of H2SO3 is neutralized by 12.0 mL of a standradized 1.00M NaOH solution. What is the concentration of the H2SO3 solution?????? What volume of a 1....

chemistry
Four solution are prepared and mixed together: Start with 100.0ml of 0.100M BaCl2. Add 50.0ml of 0.100M AgNO3. Add 50.0ml of 0.100M H2So4. Add 250.0ml of 0.100M NH4. Write an equation for any reaction that occurs after each step and calculate the concentration of Ba,CL,NO3,NH4...

chem help asap
Describe how you would prepare 250.0 mL of a 0.500 M solution of NaCl by using apparatus found in a chemistry lab.

ChemII
A saline solution is 0.9% NaCl. What masses of NaCl and water would be required to prepare 50. L of this saline solution? Assume that the density of water is 1.000g/mL and that the NaCl does not add to the volume of the solution.

Chemistry
How do you prepare 600.0mL of 0.48M Al(NO3)3*9H2O? Is this correct? 1. Measure out 71g of solution 2. Put approx. 300.0mL of water into container 3. Add the 71g of solution to the water and mix 4. Add more water until 600.0mL of solution is obtained 5. Mix

chemistry
it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?

chemistry
it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?

chemistry
A 15.0ml sample of NaCL solution has a mass of 15.78g.after the NaCL solution is evaporated to dryness, the dry salt residue has a mass of 3.26g. calculate the following concentrations for the %(m/m), % (m/v), molarity (M)

Chemistry
A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 250 mL of this solution? So wouldn't it just be .92%= .92 grams x 250ml.../100= 2.3 g NaCl?

chemistry
When 50.0mL of 1.20 M of HCl (aq)is combined with 50.0mL of 1.30 M of NaOH (aq) in a coffee-cup calorimeter, the temperature of the solution increases by 8.01 Degrees C. What is the change in enthalpy for this balanced reaction? HCl(aq) + NaOH(aq) --yields-- NaCl(aq) + H20(l) ...

Chem
Assume the volume of a filter flask is 250.0mL. You have added (25.0 + 10.0)mL of solution so the volume of gas is (250.0 - 35.0) = 215.0mL. Calculate the extra volume of gas forced into the burette because of the measured average temperature of 23 degrees Celsius.

chemistry/math
5.0 moles of solid sodium chloride (NaCl) are used to prepare a 5.0 M NaCl solution. What is the volume of the solution?

chemistry
Find the molar masses of the following compounds: 1. LiI 2. PbCO4 3. Mg(OH)2 4. (NH4)3PO4 Find the percent composition (percent by mass) of the given element in the following compounds: 1. Fluorine in AgF 2. Hydrogen in glucose (C6H12O6) 3. Oxygen in Fe2(SO4)3 PART II: ...

Chemistry
2)How to prepare 5.6 liter of 50 mM NaCL solution (mol wt 58.44) using 10% NaCL stock solution?

Chemistry
1.2g of NaCl as used to prepare 200 ml solution , what is the molar concentration of NaCl in solution ?

chemistry help
Describe how you would prepare 250.0 mL of a 0.500 M solution of NaCl by using apparatus found in a chemistry lab.

Chemistry
describe how you would prepare 250.0 mL of a .500 M solution of NaCl by using apparatus found in a chemistry lab.

chemistry
how many grams of potassium nitrate are needed to prepare 250.0ml of a 0.03M potassium nitrate solution?

Chemistry
I do not know how to solve this problem. Could you show me how? You have a stock solution of 5.00M H3PO4. a.) What would be the concentration if 20.0mL of the stock solution is diluted to 250.0mL? b.) What volume of the dilute solution would you need if you needed 0.0200mol oh...

chemistry
A solution is prepared by dissolving 0.5842g of oxalic acid (H2C2O4) in enough water to make 100.0ml of solution. A 10.00ml aliquot (portion) of this solution is then diluted to a final volume of 250.0ml. What is the final molarity of thus prepared oxalic acid solution?

Chemistry
Determine the volume, in milliliters, required to prepare each of the following diluted solutions. 40.0mL of a 2.75M KNO3 solution using a 1.00M KNO3 solution 45.0mL of a 2.90M H2SO4 solution using a 6.00M H2SO4 solution 0.700L of a 2.10M NH4Cl solution using a 5.00M NH4Cl ...

chemistry
The pH of saturated is found to be 13.12. A 15.0mL sample of saturated Sr(OH)2 is diluted to 250.0mL in a volumetric flask. A 15.0 mL sample of the diluted Sr(OH)2 is transferred to a beaker, and some water is added. The resulting solution requires 27.6mL of a HCl solution for...

Intro to Chemistry
How do you determine the mass of NACL needed to prepare 25.00 ml of a 1.585M NaCl Solution?

chemistry
2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are titrated with 0.10-M ...

chemistry
2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are titrated with 0.10-M ...

Chemistry
describe how you would prepare 500.0 ml of 0.400M NaCl solution, starting from solid NaCl

Chemistry
How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? Calculate the volume of solution of 3.6 NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you created in the above ...

Great Valley
How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? Calculate the volume of solution of 3.6 NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you created in the above ...

scince,chemistry
How grams of NACL are present in a 250-g solution containing 9% NACL?

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution

chemistry
How many grams of KMnO4 should be used to prepare 2.00 L of a 0.500M solution?

Chemistry
How many grams of NaCl would be required to make a 24% NaCl solution if 250 ml of water were used

Chemistry
Prepare 45.00ml of 0.125M gold III chloride solution, given 500.00ml of a 0.500M gold III chloride solution. Explain how you will prepare the solution

Chemistry
If NaCl has a solubility of 36.0 g in 100 g of H2O at 20 °C, how many moles of water are needed to prepare a saturated solution containing 0.263 mol of NaCl at 20 °C?

Chemistry!!
A chemist wants to prepare a stock solution of H2SO4 so that a sample of 20.00mL will produce a solution with a concentration of .50 M when added to 100.0mL of water. A)what should the molarity of the stock solution be? B)If the chemist wants to prepare 5.00L of the stock ...

Chemistry
How much of a 2.0 molar NaCl solution would you need to make 250 mL of a .15 molar NaCl solution?

Chemistry
Concentrated hydrochloric acid is 12 M. What is the molarity of an HCl solution prepared by diluting 10.0mL of concentrated acid to a total volume of 250.0mL?

Chemistry
A 50mL solution of Histidine-HCl (Histidine: pKa1=1.8, pKa2=9.2, pKa3=6.0)is titrated with 0.500M NaOH. What is the expected pH of the histidine solution at the points in the titration when 14.0mL, 26mL, and 38mL of the NaOH titrant is added?

Science
A 5.0ml aliquot of a sample was transferred to a 25.0ml flask and acidified by addition of 2.5ml of 0.1M HClO4 and diluted to mark. 1.0ml of that solution was mixed with 5.0ml of 1 X 10-4M AYR(Aluminum)dye and 15.0ml ethanol in a 25.0ml flask and diluted to mark. What is the ...

Chemistry: Dilution
i need to know how to set up this problem for my finals, don't just post an answer please. How could you prepare 250mL of 0.20M NaCL using only a solution of 1.0M NaCL and water.

Chemistry
What mass of chromium II chlroide (CrCl2) is dissolved in 150.0mL of solution to prepare .250M solution? Please Help

AP Chemistry
If 15.0mL of 2.50M NaCl is mixed with 60.0mL of 0.300M Pb(NO3)2, what is the mass of the precipitate

Gen Chem
A mixture of NaCl and sucrose (C12H22O11) of combined mass 10.2 g is dissolved in enough water to make up a 250 mL solution. The osmotic pressure of the solution is 8.29 atm at 23°C. Calculate the mass percent of NaCl in the mixture.

chemistry
PLEASE SHOW PROCEDURE! You wish to prepare an aqueous solution that has a freezing point of -0.100 degrees Celsius. How many milliliters of 12.0 M HCl would you use to prepare 250.0 mL of such a solution? [Hint: Note that in a dilute aqueous solution, molality and molarity are...

Biology
Describe how you would prepare 90 mL of a 5 mM NaCl solution from a 2 M NaCl stock solution. Describe your actions–exactly what you would do –step-by-step–when preparing this solution. Also show all calculations. Be sure all amounts include units of measurement.

chemistry
How many mL of 0.250 M MgCl2 must be added to 350.0 mL of 0.250 M NaCl to produce a solution in which the concentration of chloride ion is 0.300M Cl-?

Science ms. Sue please help!
How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute? 2. An experiment calls for you to use 250 mL of 1.0 M HNO3 solution. All you have to available is a bottle of 6.0 M HNO3. How would you prepare the desired solution?

physical chemistry
calculate the mass of NaCl needed to prepare 1000cm of 0.025M solution (molar mass of NaCl is 58.5)

chemistry
how we prepare a 4M solution of NaCl in 100ml and after this we dillute this 4ml solution to make3.8M solution.

chemistry
How many grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? I got 19 grams. this is how I got it. first I found the mass of water = 18g then I converted that to mols 18/250 = .0072. I subtracted 0.072 - 0.40 = 0.328 I found the mass of NaCl = 58 0....

chemistry
If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are titrated with 0.10-M NaOH...

Chemistry
If 8.723 grams of sodium bicarbonate are dissolved in water to produce a 250.0mL solution, what is the molarity of this solution?

Chemistry
If 8.723 grams of sodium bicarbonate are dissolved in water to produce a 250.0mL solution, what is the morality of this solution?

Biology
You need to prepare a 0.25 M solution of NaCl but you only need 50 ml of this solution. How many grams of NaCl would you need?

Chemistry
Suppose we have a solution of lead nitrate, Pb(NO3). A solution of NaCl(aq) is added slowly until no further precipitation occurs. The precipitate is collected by filtration, dried and weighed. A total of 10.27g of PbCl2(s) is obtained from 200.0mL of the original solution. ...

Chemistry
I'm going crazy please help me out part 1 of 2 Determine the mass of anhydrous copper(II) sulfate that must be used to prepare 250 mL of 2.01 M CuSO4(aq). Which i found to be 80.204g part 2 of 2 Determine the mass of CuSO4.5H2O that must be used to prepare 250 mL of 2.01 M ...

Chemistry
A 20.0 ml sample of an unknown HCl solution requires titration with 15.0ml of 0.1MNaOH solution to reach equivalent point. What is the concentration of the HCl solution? HCl + NaOH ¨ H2O + NaCl A. 0.000075 B. 75 C. none of these D. 0.075

chemistry
What is the final volume of NaOH solution prepared from 200.0mL of 0.500M NaOH if you wanted the final concentration to be 0.200M ?

Chemistry
In each of the following, determine how much solute (in g or mL) must be added to the correct quantity of water to make the given amount of solution at the correct concentration. a)KI to make 50.0mL of a 0.50 M solutioon b)12.0 M HCL to make 500 mL of a 1.0 M HCl c)Sucrose (...

chemistry
Aqueous ammonia is commercially available at a concentration of 16.0 M. Part A How much of the concentrated solution would you use to prepare 500.0mL of a 1.30M solution?

Chemistry
How do you prepare 600.0mL of 0.48M Al(NO3)3*9H2O? Is this correct? 1. Measure out 71g of solution 2. Put approx. 300.0mL of water into container 3. Add the 71g of solution to the water and mix 4. Add more water until 600.0mL of solution is obtained 5. Mix •Chemistry - ...

Chemistry
Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. Solution A: 10.0 mL 3.0e-4M bromescol green solution 25.0mL 1.60M ...

chemistry
2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are titrated with 0.10-M ...

Science
Describe how you would prepare 25.0ml of a 1.00 M NaOH solution.

chemistry
calculate the pH of the solution when 25.0ml of 0.0920M HCL is titrated with 0.15ml, 23.0ml, 30.0ml of 0.10M NaOH

Chemistry
Mass of evaporating dish = 41.36 g Volume of saturated NaCl solution = 10.0 mL Mass of evaporating dish and NaCl = 44.50 g Mass of sodium hydrogen carbonate = 0.49g What is the morality(M) of the sodium chloride solution if you prepare in 1 liter of solution? How do you ...

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