Calculate the volume of stock 1.25 g/L dye solution needed to prepare 100.00 mL of a 1.00 g/L dye solution

Q: 39) What volume of a 2.00 M KCI solution is required to prepare 500 mL of a 0.100 M KCI solution?…

A: Since the moles of KCl will come only from the 2 M KCl solution  Hence the moles of KCl in the final…

Q: The mass/volume percent (m/v %) of a solution is defined as the ratio of the mass of solute that is…

A: A. To convert units of molarity (M) to mass/volume percent (m/v%), you need to know the molar mass…

Q: Calculate the volume of 1 M CoCl2 needed to prepare 100 mL of 0.25 M CoCl2

A: Molarity of solution 2 (M2) = 0.25 Volume of solution 2 (V2) = 100 ml Molarity of solution 1 (M1)= 1…

Q: calculate the approximate mass of NaOH required to prepare 500 ml of a 0.15 M NaOH solution

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Q: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

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Q: HNO3 has a formula mass of 63.01 g/mol. Concentrated nitric acid is 15.8 M and is 70.4% by weight…

A: Given: Molarity of concentrated HNO3, M1=15.8 MMolarity of diluted HNO3, M2=0.500 MVolume of diluted…

Q: Calculate the molarity of each solutio. Express your answer using three significant figures.

A: Step : 1               Calculate the molarity of each solution.

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 170.0 mL of 0.060 M…

A: The values are given as follows:

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 125.0 mL of 0.030 M…

A: Given,Molarity of the solution = 0.030M.Volume of the solution = 125.0mL = 0.125L.

Q: What is the concentration in molarity of an aqueous solution which contains 39.91% by mass propylene…

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Q: What volume of 7.55 M HCl solution must be diluted to prepare 4550 mL of 0.380 M HCl?

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Q: How many grams of sodium chloride are needed to prepare 945 mL of a 0.016 M NaCl solution?

A: Consider the given information is as follows; Volume of the solution = 945 mL = 0.945 L…

Q: What mass of a concentrated solution of nitric acid (68% HNO3 by mass) is needed to prepare 400 g of…

A: Percentage of solution can be determined by dividing the mass of the soluteby the mass of the…

Q: What is the molarity of a solution prepared by dissolving 2.107E+1 grams of NaCl in water to make a…

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Q: How many grams of Mg(ClO3)2 are needed to make 69 mL of 0.1015 M Mg(ClO3)2 solution?

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Q: How many grams of potassium dichromate, K2Cr2O7, are required to prepare a 250 mL solution whose…

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Q: Determine the mass (g) of solute required to prepare 275 mL of a 0.5151 M KClO4 solution

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…