You go to the lab to prepare 700. mL of a 1.50 M sodium sulfate solution....
A sodium sulfate solution was prepared by dissolving 825 g of Sodium sulfate in 1850 ml of water (H 2 O). It was heated at 21.0 . C to 75.5 . C to dissolve the sodium sulfate in water. Specific gravity of sodium sulfate is 0.95 Cal /g . C. Calculate to determine the total energy used in KJ for making the solution.
Given a bottle of sodium sulfate decahydrate, how would you prepare 250 mL of a solution that is 1.50 M in sodium ion?
Your lab TA asks you to prepare a buffer solution with a pH of 7.40. The following reagents are all available to you: 550 mL of 0.200 M formic acid, 450 mL of 0.200 M hypochlorous acid, solid sodium formate and solid sodium hypochlorite. a) Which 2 ingredients will you use to prepare the desired buffer? b) What is the base/acid ratio in the desired buffer? c) What mass (in g) of solid base must you dissolve in the corresponding...
30. What is the molarity when 17.26 grams of sodium sulfate is added to water to make a 1.50 L solution? 31. What mass of water is required to dissolve 4.00 g of NaOH to prepare a 10.0% NaOH solution?
You are given powdered sodium sulfate, how will you prepare 100 mL of a 1M solution of sodium sulfate? Your solvent is 0.1 M acetate buffer.
How many milliliters of an aqueous solution of 0.149 M sodium sulfate is needed to obtain 6.41 grams of the salt? In the laboratory you dissolve 17.4 g of copper(II) bromide in a volumetric flask and add water to a total volume of 500 . mL. What is the molarity of the solution?
How would you prepare 600 mL of a 0.8 M Na+ solution from solid anhydrous sodium sulphate? Your answer should be the number of grams of sodium sulphate you would add to the beaker to dissolve. Report your answer to 2 decimal places, helpful If steps included
30. If we wish to prepare 250 mL of 0.200 M BaCl, solution, how much solid BaCl, is needed? a. 4.17 g b.5.21 g c. 10.4 g d. 20.8 g 31. A solution is prepared by dissolving 3.50 grams of NHCl in enough water to make 250 mL of solution. What is the concentration of this solution? a. 0.0327 M b. 0.0654 M c. 0.131 M d. 0.262 M 32. What is the mass of NaCl in a 0.500 L...
Use the References to access important values if needed for this question. You need to make an aqueous solution of 0.159 M sodium chloride for an experiment in lab, using a 125 ml volumetric flask. How much solid sodium chloride should you add? grams Submit Answer Retry Entire Group 8 more group attempts remaining Use the References to access important values if needed for this question. In the laboratory you dissolve 14.7 g of potassium sulfate in a volumetric flask...
Please help explain ! 1. What mass of sodium sulfate is needed to prepare 150 mL of aqueous solution in which [Nal+] = 0.35 M? 0533 A 3.73 g B) 49.7g C) 6.259 D) 556 g 7. What is the total ion concentration when 7.508 grams of calcium nitrate are added to 500.0 mL of water? Ca CN8₂) 1649 A) 0.1471 M B ) 0.09151 M ) 0.2745 M D) 0.01502 M