Making sure I understand a concept. You want to make 100 mL of a 0.1 M sodium chloride solution. You have a 1 M stock sodium chloride solution on hand already that you need to mix with water to obtain this 0.1 M solution. How many mL of stock solution do you need? How many mL of water do you need?

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

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Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

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Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: 4. You need to make 1 liter of a 5 M solution of sodium chloride (NaCl). The molecular weight of…

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Q: A doctor orders that a patient recieve 2.8 X 10^-3 mole of sodium chloride. The only solution…

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Q: How many milliliters of a 7.4 M NaOH solution are needed to make 694 mL of a 2.3 M NaOH solution?…

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Q: A solution has a density of 1.22 g/mL. What volume of the solution has a mass of 48.2 g?. A) 39.5 mL…

A: Density of the solution = 1.22 g/mLMass of the solution = 48.2 g

Q: In a solution, there is 11.0 mL (110.605 g) solvent and 5.24 mL (6.0508 g) solute present in a…

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Q: You need to make an aqueous solution of 0.158 M iron(III) bromide for an experiment in lab, using a…

A: Molarity = mass of solute ( FeBr3)Molar mass of solute FeBr3×volume of solution(in L)  0.158 =…

Q: It requires 24.15 mL of 0.03 M HCl to neutralize 38.2 mL of a NaOH solution. What is the…

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Q: What volume of water to be added to a vial containing 400 mg sodium valproate to produce a solution…

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Q: You need to make 1 liter of a 5 M solution of NaCl. The molecular weight of NaCl is 58.44 g/mol. How…

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Q: How many milliliters of an aqueous solution of 0.243 M potassium nitrate is needed to obtain 11.4…

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Q: Your lab partner gets out a 100-mL graduated cylinder and a 100-mL beaker to prepare 100.00 mL of…

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Q: Calculate the volume in liters of a 3.20 M KCl solution to obtain 0.25 mol of KCl. Express your…

A: given, the molarity of the solution = 3.20 M moles of KCl = 0.25 mole

Q: 2. You are asked to make 100 ml of a 1 mM solution. How much of the 1 M concentrate do you add? How…

A: This is a dilution problem. To calculate the volume of concentrate solution we can use the formula -…

Q: In the laboratory you are asked to make a 0.412 m ammonium nitrate solution using 255 grams of…

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Q: You have a 1:5 dilution. Describe how you would make a 1:100 dilution.

A: We have a dilution of = 1 : 5 We have to make a dilution of = 1 : 100

Q: In the laboratory you are asked to make a 0.116 m zinc acetate solution using 315 grams of water.…

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Q: What is the concentration of a NaCl solution made from taking 22.64 mL of a 12.67M NaCl solution and…

A: Given information: Initial volume (V1) = 22.64 mL Final volume (V2) = 1.25 L Initial concentration…

Q: Standard vinegar solutions are about 5% acetic acid by mass. What is the molarity of a 5% vinegar…

A: Please find your solution below : Molarity is the measure of concentration. It is defined as the…

Q: 49.7 mL of 0.11 M hydrochloric acid requires 14.3 mL of NaOH solution to reach the endpoint, what is…

A: V1(HCl) = 49.7 ml M1(HCl) = 0.11M V2(NaOH) = 14.3 ml