
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...
You have been asked to prepare 100 mL of a 1% solution of sodium dodecyl sulfate (SDS), which is supplied in powder form. To do this, Group of answer choices A. add 1 g of SDS to 100 mL of water. B. add water to the 1 g of SDS to make 100 mL. C. do either the A answer or the B answer - it doesn't matter. D. you should bribe a classmate to do it for you.
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...