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The percent by mass of sodium sulfate in a solution of 32.0 g of sodium sulfate...
ill give good rating d) A 2.15 g sample of molecular solid was dissolved in 25.0 g of CS2. The boiling point elevation of the solution was 1.59°C. Find the molar mass of the unknown. (Kb of CS2 is 1.07°C/m) e)What is the molality of C6H4Cl2 in a solution prepared by dissolving 2.97 g of C6H4Cl2 in 966 g of ethanol? f) The percent by mass of sodium sulfate in a solution of 32.0 g of sodium sulfate dissolved in...
Suppose 2.00 g of ammonium sulfate is dissolved in 350. mL of a 32.0 mM aqueous solution of sodium chromate. Calculate the final molarity of ammonium cation in the solution. You can assume the volume of the solution doesn't change when the ammonium sulfate is dissolved in it. Be sure your answer has the correct number of significant digits. (M)
9. Calculate the freezing point of a solution made from 32.0 g octane (C8H18) dissolved in 168.0 g water. Ktof water is 5.12°C/m. 10. What is the osmotic pressure of a solution that contains 13.7 g of propyl alcohol(C3H7OH) dissolved in enough water to make 600mL of a solution at 26°C?
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.
A 18.88-g sample consisting of a mixture of sodium chloride and potassium sulfate is dissolved in water. This aqueous mixture then reacts with excess aqueous lead(II) nitrate to form 36.80 g of solid. Determine the mass percent of sodium chloride in the original mixture.
3. Calculate the percent mass by volume of the following potassium chloride solution when 25 g of potassium chloride is dissolved in enough water to make a 150 mL of potassium chloride solution.
3. Calculate the percent mass by volume of the following potassium chloride solution when 25 g of potassium chloride is dissolved in enough water to make a 150 mL of potassium chloride solution. %(0)
(7. Consider the reaction as follows: Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2 NaCl(aq) A 1.00-mol sample of sodium sulfate was placed into the barium chloride aqueous solution to make solid barium sulfate. (a) How many gram of sodium sulfate was placed into the reaction solution? (b) What is the maximum mass of NaCl formed? (c) If 78.9 g of NaCl was obtained, what was the percent yield of NaCl? 3. How many liters of 0.186 M of NaOH (aq)...
[18] Calculate the molarity of a solution made by dissolving 23.4 g of sodium sulfate (NagSO4) in enough water to form 125 mL of solution. A) .125 M B) 1.32 M C) 132 M D) 125M
If 10.0 grams of sodium sulfate are dissolved in 90.0 grams of water, the percent (w/w) sodium sulfate in the resultant solution is: Select one: O a: 10.0 % (w/w) o b. 9.00 % (w/w) O c. 90.0 % (w/w) d. 1.0 % (w/w) e. 9.0 M