If you add 20.0 mL of water to 185.0 mL of a 0.30 M NaOH, what will be the molarity of the diluted solution be? Answer to 2 decimal places Your Answer: Answer units

Q: If a student prepares 10 liters of a 0.01M NaOH solution by starting with 25 mL of a stock solution,…

A:

Q: If you dissolve 3 units of calcium hydroxide, how many particles are in the solution?

A: Compounds when dissolved in water dissociate into its corresponding ions. The solubility of…

Q: A student needs 362 mL of 1.10 M sodium nitrate solution. If the stock solution is 2.25 M, how much…

A: Given:  Concentration of stock solution, M1 = 2.25M  Volume of stock solution needed, V1 = ?…

Q: How many milliliters of 1.50 M potassium hydroxide solution are needed to provide 0.125 moles of…

A: Molarity of a solution is equal to the number of moles of solute present in one liter of a solution.

Q: Calculate the molarity of a solution prepared by dissolving 21.83 grams of Naci (OR "Na" CI) to…

A: Given, Mass of NaCl is 21.83 g. The volume of the solution is 0.975 L. Molarity can be calculated…

Q: What is the molarity of a solution prepared by dissolving 233.4 grams of Fe(OH)3 in enough water to…

A: Given: The given mass of Fe(OH)3=233.4 g. The molar mass of Fe(OH)3=106.86 g/mole. The volume of the…

Q: a solution contains 10mL of ethanol and 40 mL of water the density of ethanol is 0.789 g/mL the…

A: Answer: Molarity of ethanol is 3.43 M

Q: A chemist needs 16.63 mL of 1.816 M NaOH. What volume in mL of 3.97 M NaOH must be diluted in water…

A: During dilution with water the number of moles before dilution and after dilution remains constant.

Q: What is the volume in liters that is needed to create a 1.4 M solution with 4.3 moles of Zn(NO3)2?…

A:

Q: A 10 mL of 0.5% solution composed of barium chloride and sulfuric acid is to be prepared. How many…

A: Given: volume of solution=10 mLcomposition of BaCl2=0.5% To find: Amount of BaCl2 Amount of sulfuric…

Q: What is the molarity when 1.7 grams of potassium fluoride is dissolved to make 1.4 mL? Answer to 2…

A:

Q: If you dissolve 401 grams of (NH4)3PO4 in enough water to make 250 mL of solution, how many moles of…

A: Write the equation for dissolution of ammonium phosphate in water. One mole of ammonium phosphate…

Q: Calculate the molarity of 2.67 moles of KCI in 6,748 mL of solution. Report your answer with 2…

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

Q: What mass ( in g ) of NaCl is needed to make 230 g of a 13.5% NaCl solution? Report your answer to 2…

A:

Q: How many grams of NaCl are required to make 350.0 mL of a 1.310 M solution? Your Answer: Answer…

A:

Q: volume of 34.2 mL of a 1.16 M KMnO4 solution is mixed with 16.7 mL of a 0.392 M KMnO4 solution.…

A: Given, Note: 1L = 1000 mL Solution I Concentration of KMnO4 solution I = 1.16 M = 1.16 mol/L Volume…

Q: Calculate the Molarity of a solution when 6.1 grams f hydrochloric acid in 32.9 mL of solution.…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: How many grams of CaCl2 (MM = 110.98 g/mol) are needed to make 50.0 mL of a 0.220 M solution? Your…

A:

Q: What is the percent of a sucrose solution if 18.2 grams of sucrose is dissolved in 500 mL of water?

A: Given,  Mass of sucrose = 18.2 g Volume in mL = 500 mL  What is the percent of a sucrose solution =…

Q: How many mL of a 12.5 M solution are needed to make 100 mL of a 1.30 M solution? Your Answer: Answer…

A:

Q: A solution is prepared by dissolving 99.6 grams of sodium nitrate in 789 grams of water. Paired…

A:

Q: What is the volume in liters that is needed to create a 2.3 M solution with 2.5 moles of Fe(OH)2?…

A: Given data molarity of solution = 2.3 M mole of solute , Fe(OH)2  =  2.5 mole

Q: Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the…

A: See answer below.

Q: Find the concentration of a solution, in units of molarity, when 13.94 g of sodium fluoride are…

A: Given :  For Sodium Fluoride,  Mass (m) = 13.94 g  Volume of Solution (V) = 405 mL = 0.405 L As, 1…

Q: Suppose 0.921g of sodium acetate is dissolved in 100.mL of a 41.0mM aqueous solution of ammonium…

A: The reaction for the above process is given below. 2CH3COONa     +     (NH4)2SO4     → Na2SO4      +…

Q: Determine the mass in grams of NaCl in 225g of solution if the percent by mass of NaCl is 9.50%.

A: Mass percentage is defined as- Mass percentage of component 1 = Mass of component 1Total mass×100

Q: What is the volume in liters that is needed to create a 2.3 M solution with 1.6 moles of Fe(OH)2?…

A: Molarity  is the amount of a substance in a certain volume of solution. Molarity is defined as the…

Q: Suppose 0.552g of zinc acetate is dissolved in 100.mL of a 22.0mM aqueous solution of ammonium…

A: zinc acetate = 0.552g aqueous solution of ammonium sulfate is ; 100.mL of a 22.0mM Volume of…

Q: Calculate the grams of salt required to add to 20 liters of water to produce a 0.09%  by weight…

A: Mass percent :- The mass of solute in grams present in 100 grams of solution is defined as mass…

Q: You have a solution of NaCl that has a molarity of  3.359 M.  You want to make a dilute solution of…

A:

Q: student is making a solution of sugar in water. If the student uses 0.85 moles of sugar and enough…

A:

Q: Question 9 (0.2 points) If 8.91 g of solute are dissolved into 69.0 g of water, calculate the mass…

A:

Q: What is the molarity of a solution that is made from 37.1 g of MgCl2 in enough water to make 910 mL…

A:

Q: What is the molarity of a solution containing 35.2 g MgCl2 dissolved in 330. mL of water?  In…

A:

Q: A chemist prepares a solution of barium chlorate (Ba(ClO,)) by measuring out 7.47 umol of barium…

A: Given;

Q: the sucrose concentration in the remaining 300 mL

A:

Q: What volume, in mL, of 10.9 M HCl is required to make 492 mL of 0.546 M HCl?   Include 3…

A:

Q: How many grams of water are needed to dissolve 6.77 g of sodium carbonate, Na2CO3, in order to…

A: Given,

Q: Suppose 0.634 g of lead(II) acetate is dissolved in 200. mL of a 16.0 m M aqueous solution of…

A: The  question is based on concept of solutions. we have to calculate the final molarity of acetate…

Q: You have 741.9 mls of water and you want to make a 1.184 molar (M) solution of barium hydroxide.…

A: Given: The volume of water= 741.9 mL Molarity of Barium hydroxide solution=1.184 M To calculate:…

Q: Listen How many liters of solution are needed to make 0.70 M solution containing 2.88 grams of…

A:

Q: What mass ( in g ) of NaCl is needed to make 330 g of a 27.0% NaCl solution? Report your answer to 2…

A: NaCl = 27% 1gram = 1 milliliter so, Volume = 330 ml Mass of NaCl = ?

Q: What is the volume in liters that is needed to create a 2.3 M solution with 4.0 moles of Fe(OH)2?…

A: Given: Concentration of Fe(OH)2 ,Molarity,  [Fe(OH)2] = 2.3 M no of moles of Fe(OH)2 = 4.0 mol   To…

Q: ou have 729 mls of water and you want to make a 0.864 molar (M) solution of barium hydroxide.  How…

A: Given : Volume = 729ml  Molarity = 0.864M

Q: Calculate the molarity of a solution that contains 0.0345 moles of ammonium chloride dissolved in…

A: The molarity of the solution is defined by the mole of solute present in one liter of solution. The…

Q: In the laboratory you are asked to make a 0.250 m iron(III) acetate solution using 15.0 grams of…

A: Given- Molality of iron (|||)acetate= 0.250m Weight of iron (|||)acetate =15.0g Weight of H2O=?

Q: Convert your answer to scientific notation (i.e. ## x 10x mg) = Convert a 3.5% NaCl solution to…

A: Given: Concentration of NaCl in %(m/v) = 3.5 %.

Q: molarity of the diluted solution?

A:

Q: CALCULATIONS Set up each problem completely and SHOW UNITS. Cancel the units when you do the…

A: Given that, Mass of KH2PO4 sample = 0.0900 g = 90 mg Volume of water = 250 mL = 0.25 L 1)…