I  wish to prepare 500.0 mL of a 800.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. a.)How many grams of beryllium fluoride (BeF2, MW = 47.01 g/mol) are needed to prepare this solution? Assume the final solution has a density of 1.00 g/mL. b.) How many grams of beryllium fluoride are needed to prepare 500.0 mL of 0.882 M F−?   Thank you!

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A: Given data weight % of Acetone in solution = 12.0 % density of solution : ρsolution=0.9849 g/mL…

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A: Given :  Mass of solution  = 6.6 kg = 6600 g  Density of solution= 1.35 g/ml  Moles of CaCl2 = 4.7…

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Q: To what final volume should you dilute 50.0 mL of a5.00 M KI solution so that 25.0 mL of the diluted…

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A: Answer: Given data- 7.1g of NaOH make 200 ml solution.

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A: Moles = Mass / Molar mass Molarity = Moles / Volume (L) Also, Initial concentration of solution = M1…

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A: a) Concentration of first solution=Mass of NaOHMolar mass of NaOH×Volume of solution (in L)

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A: According to guidelines i can answer only first question

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Q: 7a) Calculate the number of grams of hydrogen peroxide contained in 25.0 mL of a 3.60 M solution.…

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A: we can define molarity as moles of solute upon volume of solution

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Q: 5. What masses of KOH and water are needed to make 1500g of 20% solution? MW- K:39, O:16, H:1

A: Weight of solution = 1500 gm Percentage = 20%

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A: The mixture contains 1.5 L oxalic acid in 2-gallon water. 2-gallon water=2×3.78541 L=7.57082 L

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A: The process that helps in lessening any solution's concentration is referred as "dilution". In this…

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A:

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A:

Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for…

Q: How many milliliters of a 2.00% KCl solution are needed to provide a patient with 5.00g of KCl?

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Q: Five different solutions were prepared in the laboratory. One was prepared by dissolving 7.1g of…

A:

Q: o Which of the following solvents is the best to use for recrystallization of Solute A? а. Water b.…

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Q: Calculate the mass of KOH in 250.0 mL of a 6.50 % (w/w) KOH solution. Density of the solution is…

A: 250.0 mL of KOH solution has a density of 1.12 g/mL and the % w/w is 6.50 % .We have to calculate…

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Q: An aqueous solution of Caclz weighs 7.8 kg. The solution has 8.3 moles of CaClz present in it. The…

A: Given:- Weight = 7.8Kg Moles of CaCl2 present = 8.3 Density = 1.35g/ml Moalar mass of Ca = 40g/mol…

Q: Which of the following statements is correct for 25.0 mL of 3.01 M NH3 solution? (MM = 17.0 NH3)…

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Q: Sodium chloride is dissolved in water as given in the choices. Which solution is the most…

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Q: An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2 present in it. The…

A: We have given that  An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2…

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Q: An aqueous solution of CaCl2 weighs 6 kg. The solution has 3.7 moles of CaCl2 present in it. The…

A: The given information is as follows: The mass of the solution = 6 kg = 6000 g The moles of solute…

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Q: An aqueous solution of CaClz weighs 6.6 kg. The solution has 4.7 moles of CaClz present in it. The…

A: Molar mass of H = 1 g/mol Molar mass of O = 16g/mol Given:-  Weight of solution = 6.6Kg = 6600g…

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A: A)  Given :-  Mass of HCl = 180 g  Volume of solution = 2600 mL  MW: H = 1, C|=35g  To calculate :-…