227 mL of a 3.2 M solution of KBr is diluted to 731 mL.  What is the new concentration of the solution (in M to 2 decimal places)? What are the units?

Q: The solution was prepared by adding 150 g of sodium hydroxide to 150 g of water, giving a total…

A: Molarity is defined as no.of moles of solute devided by volume of solution in liter.

Q: In the laboratory you dilute 4.25 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Answer: Dilution of a solution is done by gradually adding water in the stock solution. Addition of…

Q: In the laboratory you dilute 2.81 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: The objective of this question is to find the concentration of the diluted hydrochloric acid…

Q: 1) An aqueous solution contains  3.75% NH3 (ammonia) by mass. The density of the aqueous ammonia is…

A:

Q: Suppose 4.1 g MgCl2 is dissolved in 660 mL of water. What is the normality of Mg2+ ions in the…

A: Normality is the number of equivalents of solute per unit volume of the solution. Equivalent mass is…

Q: Draw the covalent bond between 2 Nitrogens: Draw the covalent bond between 2 Fluorines:

A: The covalent bond structures are

Q: You want 85 g of KOH to be dissolved in 1.5 liter of solution. What is the normality of the…

A:

Q: An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL.The…

A: The molarity of potassium bromide in the solution is calculated in step two.

Q: In the laboratory you dilute 5.53 mL of a concentrated 12.0 M perchloric acid solution to a total…

A: The molarity of a solution is given by:

Q: In the laboratory you dilute 4.36 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A:

Q: An aqueous solution of acetone is made by transfering 27.6 mL of liquid acetone to a 300 . mL…

A: The volume/volume percentage of acetone in the solution is = 9.20 %

Q: The density of a NH3 solution is 0.89 g/mL and it is 32,00% by mass NH3. What is the molarity of the…

A: Since % by mass = % m/m  And % m/m = mass of solute X 100 / mass of solution  Assuming we have 100 g…

Q: You dissolve 8.83 mmol of sodium bicarbonate into a total volume of 7.22 mL. What is the molarity of…

A: Molarity is no. Of moles per litre of solution.

Q: A 12.5 mL portion of a base solution of an element from Group 2A is diluted to 500 mL, and the…

A: Initial volume of base solution (of elements group 2A ) = 12.5 ml  New Volume of base solution = 500…

Q: What is the molarity of this solution? [Mg = 24.305 g/mol]

A: The solution to the given problem is as follows:

Q: Dye stock solution      concentration               blue———     0.3523               Yellow.…

A: The given problem is a simple question of mole concept and here we have to find out the molar…

Q: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: How many grams of sodium hydroxide are present in 247.0 mL of a 0.500 M NAOH solution? mass of…

A:

Q: In the laboratory you dilute 4.49 mL of a concentrated 6.00 M nitric acid solution to a total volume…

A: Given, Volume of nitric acid = 4.49mL Molarity of nitric acid = 6.00 M

Q: Consider a 3.00 M CH3OH solution. What volume of this solution, in ml, is needed to provide 0.202 g…

A: Given that : Molarity of CH3OH = 3.0 M Mass of CH3OH = 0.202 g Molar mass of CH3OH = 32.042 g/mol…

Q: An aqueous 2.00 M hydrochloric acid solution is prepared with a total volume of 0.350 L. The…

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Q: at a certain temperature,1.85 grams of barium hydroxide will dissolve to form 100.0 ml of a…

A: The given mass of barium hydroxide = 1.85 g The volume the solution = 100.0 mL = 0.100 L  The…

Q: A 7.98 molar solution is prepared.  How many moles of solute would be in 797.1 mL of the solution?…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: A 0.056 mol/L Na2CrO4 solution contains 9.100 g NaCrO4- What is the volume of the solution

A:

Q: 69.0 mL of 2.0 M Sr(OH)2 are mixed with 31.0 mL of 1.8 N Sr(OH)2 . What is the normality of the…

A: Given Sample 1 : Molarity of Sr(OH)2 = 2.0 M , volume = 69 ml Sample 2 : Normality of Sr(OH)2 = 1.8…

Q: A given solution is prepared by pouring 23.998 g NaOH into 200.0 mL water. (use correct number of…

A:

Q: student adds 6.00 g of a solid to 30.0 mL of water. The solid has a molar mass of 72.0 g/mol. What…

A: MW of solid is given, 72 g/mol Moles=672=0.0833 mol Volume of solution = 30 mL = 0.03 L

Q: You dissolve 9.9 mmol of sodium bicarbonate into a total volume of 4.31 mL. What is the molarity of…

A: Given : moles = 9.9mmol              Volume = 4.31mL  Molarity = moles ÷ volume

Q: What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that…

A: Determination is the molarity of sodium chloride: Given: Mass of sodium chloride is = Density…

Q: A solution of hydrochloric acid was formed by dissolving 5.51 g of hydrogen chloride gas in enough…

A: Mass by volume percentage is the mass of solute divided by the volume of the solution and converted…

Q: In the laboratory you dilute 5.08 mL of a concentrated 6.00 M hydrochloric acid solution to a total…

A: The volume of the concentrated solution, V1=5.08 mL The Concentration of the concentrated solution,…

Q: A student makes a standard solution of sulfuric acid by taking 10.00 mL of a super-concentrated…

A:

Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

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

Q: Commercial vinegar is essentially a solution of acetic acid in water. A bottle of vinegar has 3.78 g…

A:

Q: A 225 mL sample of a 10.0 M aqueous stock solution is diluted to 4.00 L upon addition of water. What…

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