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molarity of a solution prepared by diluting 35.39 mL of 0.217 M potassium chloride to 150.00 mL

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chemistry Molarity
You have 353 mL of a 1.25 M potassium Chloride solution, but you need to make a 0.50 M potassium Chloride solution. How many milliliters of water must you add to the original 1.25 M solution to make the 0.50 M potassium Chloride solution

Chemistry
What is the molarity of a solution made by dissolving 2.00g of potassium chloride (KCl) in enough water to make 150 ml of solution?

chem
A solution contains 4.60 g KCl in 179 mL of solution. The density of the KCl solution is 1.11 g/mL What is the percent (m/m) for the potassium chloride solution? What is the molarity, M, for the potassium chloride solution? need help pls

Chemistry
determine the approximate molarity of a solution of NaOH prepared by diluting 10ml of 6M NaOH to a volume of 400 ml. using the solution in the first part, 24.5ml of NaOH solution was required to neutralize 26.4ml of a .150M HCl solution. find the molarity of NaOH

chemistry
Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of acetone in this solution?

Chemistry
What is the molarity of a solution prepared by diluting 100g of NaH2PO4 to 1L?

chemistry
Calculate the molarity of a solution prepared by diluting 200.0 mL of 4.0 M HCl to 500.0 mL of solution a. 1.1 M b. 1.6 M c. 2.7 M d. 10. M

Chemistry
Calculate the molarity of a solution prepared by dissolving 10.0 grams of NaOH and then diluting the solution to 500mL.

Chemistry
How would you prepare 150.0 mL of a 0.200 M aqueous solution of potassium chloride from a 0.500 M aqueous solution of potassium chloride?

Chemistry
What is the molarity of a solution prepared by diluting 25.0 mL of 0.412 M magnesium nitrate to a volume of 1.50 L please help!

Chemistry
A lab assistant prepared a potassium chloride solution for her class by dissolving 5.34 g of KCl in 152g of water. What is the mass percent of the solution she prepared? Could you help me set this up/show me how to do this problem?

Chemistry
What is the molarity of a nitric acid solution prepared by diluting 250.0 mL of 6.00 M HNO3 to a total volume of 2.50 L?

Chemistry
Molarity What is the final volume (in Liters) of a solution prepared by diluting 25 mL of 8.25 M sodium hydroxide to a concentration of 2.40 M?

chemistry
10. An aqueous solution is prepared by diluting 3.30 mL acetone, CH3COCH3, (d=0.789 g/mL) with water to a final volumeof 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity and molality of acetone in this solution?

Biochemistry
What is the pH of a solution prepared by mixing 150 mL of 0.1M HCl with 300mL of 0.1M sodium acetate (NaOAC) and diluting the mixture of 1L? PKa of acetic acid is 4.76. and give solution

chemistry
I have two solutions of 0.1 Molar. A solution of magnesium chloride and a solution of potassium chloride. I thought that the 0.1 M solution of magnesium chloride would conduct electricity better than a 0.1 M solution of potassium chloride. I did a lab in my chemistry class but...

Chemistry
What is the molarity of a solution prepared by dissolving 820. g of sodium phosphate, Na3PO4, in water and diluting to 2.89 liters? (atomic masses: Na = 22.99, P = 30.97, O = 16.00)

CHEMISTRY
Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g of potassium bromide. Express the amount of potassium bromide in this solution in terms of (a) mass percent (b) mole fraction (c) molarity assume the density of the solution is equal to that of water, 1.00...

chemistry
What is the molarity of a nitric acid solution prepared by diluting 1.5L of 3.00M HNO3 to a total volume of 2.50L? Is the correct answer 1.8M or do I have to do more???

CHEMISTRY
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l.

chem 150
10. Calculate the concentration of a solution made by diluting 10.00 mL of 0.1104 M HCl to 25.00 mL, then taking 10.00 mL of that solution and diluting to 50.00 mL.

chemistry help asap please
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l.

Chemistry
What is the molarity of this dichromate solution? A potassium dichromate solution of an unknown molarity was used to titrate a solution of FeSO4 prepared by dissolving a 0.350g of pure iron wire in H2SO4 and reducing the FE3+ produced to FE2+. 36.24 mL of the dichromate ...

Chemistry
A solution of magnesium chloride, MgCl2, is prepared by dissolving 19.0g of MgCl2 in 250 mL OF water. a.) Calculate the weight percent of magnesium chloride in solution. b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the magnesium chloride ...

chem
. (a) A solution was prepared by dissolving 1.4295 g of magnesium chloride (MgCl2) into water and made up to 25.0 mL, calculate the molar concentration of the solution. (3 marks) (b) A 250.0 mL of 0.50 M solution of sodium phosphate (Na3PO4) solution was prepared by diluting 1...

chemistry
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 17.65 mL to reach a phenolphthalein end point. What is the molarity of...

Chemistry
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 24.71 mL to reach a phenolphthalein end point. What is the molarity of...

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
8.4 g of a mixture of potassium hydroxide and potassium chloride were made up of 1 litre of aqueous solution. 20 cm of this solution required 24.2 cm of 0.1 m nitric acid for neutralisation. calculate the percentage by mass of potassium chloride in the mixture

Chemistry
A given solution contained potassium chloride, KCl, and hydrochloric acid. 25 cm3 of it needed 24.80 cm3 of 0.0986 M sodium hydroxide solution to neutralize the acid, and the neutral solution then required 23.55 cm3 of 0.2 M silver nitrate, AgNO3, solution to precipitate all ...

chemistry
Q: A 1.5L solution is prepared using 75g of calcium chloride. What is the molarity of this solution?

Physics
A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride solution? I keep getting 0.08...

Chemistry
A)What mass of silver chloride can be produced from 1.33 of a 0.207 solution of silver nitrate? I got this one, its 39.4 g B)The reaction described in Part A required 3.28 of potassium chloride. What is the concentration of this potassium chloride solution? I keep getting 0.08...

chemistry
What is the molarity of a solution prepared by dissolving 2.41 g of potassium iodide, KI in 100 mL of water?

CHEM
What is the molarity of potassium iodide solution prepared by adding 5.810g of KI to sufficient water to make a final solution volume of 250.0mL?

chemistry
A mixture was formed by adding 4.56g of KCL to water to make 175mL of solution. The density if the solution is 1.12g/mL. Whatis the mass percent and what is the molarity of the potassium chloride solution?

Chemistry
I'm having trouble with molarity. What is the molarity of a KCl solution made by diluting 75.0 mL of a 0.200 M solution to a final volume of 100.0 mL?

Chemistry
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 36.21 mL to reach a phenolphthalein end point. What is the molarity of...

pharmacy math
RX Potassium Chloride 3:5 solution 30ml. how many millimeters of a potassium chloride 2:5 solution do you need to prepare the order?

pharmacy math
Rx Potassium 2:5 Chloride solution 30ml. How many milliliters of a potassium chloride 3:5 solution do you need to prepare the order?

chemistry
Potassium 2:5 Chloride solution 30ml. How many milliliters of a potassium chloride 3:5 solution do you need to prepare the order?

Chemistry
Concentrated hydrochloric acid is 38% HCl by weight and has a density of 1.19 g/mL. A solution is prepared by measuring 70 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the volume, percent ...

chemistry
A solution is prepared by adding 1.00 g of solid \rm NaCl to 50.0 mL of 0.100 M \rm {CaCl_2}. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 m

chemistry
a large 1.5 x 10^6liter tank contains water polluted with lead (II) nitrate at a molarity concentraion of 2.5 x 10^-6 M to the tank, you add 59.7 liters of 0.075 M potasium chloride solution. did you add enough potassium chloride to remove all the lead(II) ions out of the ...

chemistry
a saturated solution of potassium chloride prepared at 60degree celsius is allowed to cool at room remperature

Chem 12
Okay, this is a two-part question and the unit is acids and bases. Ka for NH4 is 5.6 x 10^ -10 Kb for NH3 is 1.8 x 10^ -5 1. Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100mL of a 0.150 molar solution of ammonia. 2. If 0.0800 ...

Chemistry
Find the pH of a solution prepared by taking a 50.0 mL aliquot of a solution prepared by dissolving 12.25g of NaOH and 250.0 mL of water and diluting that aliquot to 1.00L?

chemistry
what is the concentration, in % m/m of a solution prepared from 50.0g sodium chloride and 150.0g of water

chemistry
potassium chlorate can be thermally decomposed to oxygen and potassium chloride. calculate the mass of potassium chlorate that must be decomposed by heat to produce 10.0L of oxygen gas at 150 degrees celsius and 150 kPa pressure

chem
The mole fraction of an aqueous solution of potassium perchlorate is 0.125. Assuming that the density of this solution is 1.20g mL-1, calculate the following: (A) the mass percent of potassium perchlorate in the solution. (B) the molarity of potassium perchlorate in the solution.

Chemistry
What is the molarity of a potassium chloride solution that has a volumeof 400.0 mL and contains 85.0 g KCl? Please show work.

Chemistry
a potassium dichromate is prepared by 0.3525grams of K2Cr2O7 is enough water to yield 250.0mL of solution. a student then measures 10.00mL of an unknown solution of Fe2+ into an erlenmeyer flask and dilutes with 90mL of 1.0M hydrochloric acid. she then titrates this sample ...

CHEMISTRY
Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by diluting 10ml concentrated HCI to a total volume of 250ml?

chemistry
prepare M/20 solution of oxalic acid. Find out the molarity and strength in gram per litre of the given solution of potassium permanganate with the help of the prepared solution of oxalic acid

chemistry.
How many grams of sodium chloride are there in 55.00 Ml of a 1.90 M aqueous solution of sodium chloride? any idea. 2. What is the concentration of chloride ions in a 0.193 M solution of potassium chloride?..heeeeeeeeeeeelp.

chemistry
What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

chemistry
What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

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
I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't know if that if how it ...

Chemistry
I am not sure if I calculated the exact molarity of the potassium permanganate. I multiplied the molarity of the potassium permanganate by the liters of potassium permanganate used in the titration and divided it by the total liters of solution. I don't know if that if how it ...

Chemistry
If you mix 50.0 mL of a 0.500 M solution of calcium nitrate with 150. mL of a 0.250 M solution of potassium nitrate, what would be the resulting molarity of nitrate ions in the final mixed solution ?

Chem
18) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. A) write a chemical equation, using words, to represent the above chemical reaction. My answer: chlorine + potassium bromide ==> potassium chloride and bromine ( I'm pretty sure this is ...

chemistry
You need to make a solution containing 150 g of potassium chloride in 300 g of water. What temperature is required?

AP Chem
An aqueous solution contains 4.50 g of calcium chloride, CaCl2, per liter. What is the molarity of CaCl2? When calcium chloride dissolves in water, the calcium ions, Ca^+2, and chloride ions, Cl^-, in the crystal go into the solution. What is the molar concentration of each ...

Chemistry
What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.26 M silver nitrate with 150.0 mL of 0.24 M calcium chloride? Also, Calculate the concentrations of each ion remaining in solution after precipitation is complete. Cl ‾ NO3‾ Ca2+

Chemistry help
What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.26 M silver nitrate with 150.0 mL of 0.24 M calcium chloride? Also, Calculate the concentrations of each ion remaining in solution after precipitation is complete. Cl ‾ NO3‾ Ca2+

chemistry
. How many grams of potassium chloride, KCl, are needed to prepare 0.630 L of a 2.50 M solution of potassium chloride? (4.0 points) (Points :4) 1.575 M 117 g 2.54 m 23.19 g

chemistry
Potassium Chloride 3:4 solution 30ml. How many milliliters of a potassium 1:20 solution and 4:5 solution do you need to prepare the order?

Chemistry
Need Help On This Question.! Potassium chloride reacts with bromine forming potassium bromide plus chlorine. If 500g of potassium bromide are produced, how many grams of potassium chloride reacted?

Chemistry2
12.) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. a.) write a chemical equation, using words, to represent the above chemical reaction. Answer: Chlorine + potassium bromide ==> potassium chloride + bromine (Is this correct?) b) Suppose 4...

chemistry
Calculate the mass of salts needed for constructing a buffer using potassium monobasic phosphate and potassium dibasic phosphate with the total concentration of 100 mM. The solution is to be prepared in DI water and the pKa value for potassium monobasic phosphate is 7.21 and ...

Chemistry
An aqueous solution of potassium hydroxide is mixed with an (aq) of magnesium chloride and you get a clumpy white precipitate that forms. Write a complete and balanced equation to calculate the stoichiometry question: how many grams of the precipitate are formed if 150 grams ...

Chemistry
calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride

Grade 11 Chemistry
calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride

chemistry
a solution is prepared by mixing 1.0 grams of benzen(c6h6) in 100g of water to create a solution total volume of 100ml.calculate the molarity,mass percent,mole fraction and molarity of benzene in the solution

Chemistry
If 36 g of potassium chloride are dissolved in 100mL of water at 40 C to form a saturated solution, how many grams of potassium chloride would be required to form a saturated solution in 250 mL of water at the same temperature?

Chemistry
4 Questions on molarity that I really don't understand. I have the formulas, but they don't seem to fit in to the question right. Please take a look, thanks! 1. Calculate the weight, in grams, of HNO3 present in 1.0 litre of 0.10M of solution. 2. What is the concentration, in ...

chemistry
A) A solution was prepared by dissolving 1.113 g of MgCl2 into water and made up to 50.0 ml, calculate the molar concentration of the solution. B) A 250.0 ml of 0.50 M solution of Na3PO2 solution was prepared by diluting 2.5 M of stock solution. Calculate the volume of stock ...

Chemistry
What is the molarity of H2SO4 in a solution prepared by adding 15.0 mL of 6.0 Molarity H2S04 to enough water to make 100.0 mL of solution?

math
You're asked to add 15 mEq of potassium chloride per 100 mL of Normosol. Potassium chloride is available as 20 mEq/ 10mls. The amount of Potassium chloride needed for a 3 L bag of Normosol would be ?

chemistry
what is the final M solution prepared by diluting 5.0 mL of 6.0 M HCl to 60.0 mL

chemistry
Calculate the molarity of a solution made by diluting 0.200 L of 1.00M HCl solution to a volume of 1.00 L

chemistry
We want to prepare 150 mL of 1.0 M HA solution by diluting the stock 8.7 M HA solution with water. What volume of 8.7 M HA solution is needed?

Chemistry
What is the molarity of the final solution if 2.00mL of the 5.00 M stock solution is diluted to 10.00mL to make solution A? Solution A then undergoes a second dilution by taking 3.00mL solution A and diluting it to 25mL.

intro to chem
The molarity of an aqueous solution of potassium hydroxide, KOH, is determined by titration against a 0.197 M HI solution. If 28.4 mL of the base are required to neutralize 18.6 mL of HI, what is the molarity of the KOH solution?

Chemistry
What is the molarity of the final solution of 2.00mL of the 5.00M stock solution is diluted to 10.00mL to make solution A. Solution A undergoes a second dilution by taking 3.00mL solution A and diluting it to 25mL? I'm so confused by this. Please help.

Chemistry
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...

CHEMISTRY
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...

Chemistry
A solution is prepared by diluting concentration HNO3 to 2.0 M,Calculate PH.

Chemistry
Calculate the concentration, in molarity, of a solution prepared by adding 9 mL of water to 1 mL of 0.1 M HCl solution. If 2.0 mL of 0.010 M NaOH is mixed with enough water to make the total volume 8 mL, what is the molarity of the resulting solution?

CHEMISTRY URGENT
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...

Physical science
A silver nitrate solution is added to a solution of potassium chloride.the products formed are silver chloride and potassium nitrate 1.which product is a precipitate 2.write down the reaction in a molecular form.indicate states 3.write down the net ionic equation

Chemistry
Calculate the pH of a solution prepared by diluting 0.0015L of a 0.100 mol/L nitric acid solution with 0.5L of water. *C1×V1=C2×V2 C2=0.3MOL/L Do we use this concentration to find the pH

Chemistry
4.How many grams of calcium chloride can be prepared if a student uses 500g if calcium carbonate and 2.00L of a 4.00 Mol/L sodium chloride solution in the reaction.?? 5. 2KMnoO4 + 5 H2C2O4<----need to use this Concentration of 0.24L KMnO4 solution required to oxidize 2.7g ...

Chemistry
The standard solution were prepared by transferring exactly 1.00 mL, 2.00 mL, 3.00 mL, 4.00 ml, and 5.00 ml, respectively, of stock solution to clean 100 ml vol flads, diluting to the mark with FeCl3 solution, and then filling the aoorioruatekt kabeked cuvette. Calculate the ...

Chemistry
Calculate the pH of 100.00 mL of an ammonia buffer (pKb = 4.76), prepared by placing 55.0 mL of concentrated NH4OH (i.e., NH3; 14.5 M) into a volumetric flask, adding 6.76 g of ammonium chloride, and diluting to the mark with DI water.

CHEM
Which reactants could be used safely to prepare potassium chloride? 1. aqueous potassium hydroxide and dilute hydrochloric acid 2. aqueous potassium sulphate and aqueous sodium chloride 3. potassium and aqueous sodium chloride The answer is 1, but i don't really know how to ...

Chemistry
I need help starting this question: A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

Chemistry
I need help starting this question... A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

Chemistry
a solution is made by combining 10.0 ml of 17.5 M acetic acid with 5.54 g of sodium acetate and diluting to a total volume of 1.50 L. a)calculate the pH of the solution. b) how many grams and milliliters of 14.6 M potassium hydroxide needs to be added so pH=pKa? c)what is the ...

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