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Calculate the maximum mass of sodium phoephate that can be recovered from 225 mL of 0.85...
Explain how 350. mL of 0.650 molar calcium acetate can be prepared from solid magensium acetate? How would you prepare 1.75 liters of 0.750 molar sodium hydroxide if the course of sodium hydroxide was 3.5 liter bottle of 2.55 M sodium hydroxide? Calculate the maximum mass of sodium phosphate that can be recovered from 225 mL of 0.85 M aqueous sodium phosphate? Calculate the maximum volume of 1.25 M NaOH that can be neutralized by 4.00 liters of: 0.75 M...
A) How many moles of sodium hydroxide would have to be added to 225 mL of a 0.362 M hydrocyanic acid solution, in order to prepare a buffer with a pH of 9.580? B) An aqueous solution contains 0.383 M nitrous acid. How many mL of 0.287 M sodium hydroxide would have to be added to 250 mL of this solution in order to prepare a buffer with a pH of 3.600? C) An aqueous solution contains 0.313 M ethylamine...
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...
In the pre-lab notebook, calculate that amount of sodium phosphate needed for: a. 20 mL of 0.02 M sodium phosphate, pH 7.0 b. 10 mL of 0.02 M sodium phosphate, pH 7.0 with 0.4 M NaCl c. 10 mL of 0.02 M sodium phosphate, pH 7.0 with 1.0 M NaCl
Calculate the moles and mass of solute in 250.0 ml of 6.00 m sodium hydroxide. Calculate the volume of 6.00 m sodium hydroxide that would required to obtain 60.0 grams of sodium hydroxide.
Chemistry 107 Problem Solving Handout #13 NameloMAS hoME2 1. Calculate the mass (m/m) percent of sodium iodide in solution prepared by dissolving 6.43 g of Nal in 85.0 g HO. How many grams of solute are dissolved in 35.0 g of 2.00 % ( m/m ) NaCl solution? 2. What is the volume (v/v) percent water in a solution containing 257 mL of ethyl alcohol and enough water to give a total volume of 325 mL? 3. 4. Determine how...
Calculate the mole fraction of the solute of a 1.026 M aqueous solution of sodium phosphate with a density, ρ = 1.046 g/mL. Report your answer to THREE significant figures.
2. Calculate the mass of solid sodium hydroxide needed to prepare 300 mL of 0.1 M sodium hydroxide. Note: Be sure to include this mass in the procedure for Part C. 3. A 0.6250 g sample of KHP (204.2 g/mol), dissolved in 50 mL water, required 28.50 mL of sodium hydroxide to reach the end point. What is the concentration of the sodium hydroxide solution? 4. A 25.00 mL sample of hydrochloric acid was titrated using the same sodium hydroxide...
375 mL of a 0.150 M aqueous solution of silver (I) nitrate is mixed with 125 mL of a 0.125 M aqueous solution of sodium phosphate. Calculate the mass of precipitate that forms and the final concentration of each ion in the mixed solution. Volumes are additive and the precipitation reaction goes to completion. Can you show all work for calculating the final concentration of each ion in the reaction including Ag, NO3^-1, Na and PO4^-3
How many grams of sodium phosphate, Na3PO4, must be dissolved to prepare 400. mL of a 0.182 M aqueous solution of the salt?