What is the molality of a solution prepared by dissolving 35.59 g of copper (I) sulfate in 331.5 g of water?
What is the molality of a solution prepared by dissolving 35.59 g of copper (I) sulfate...
What is the molality of a solution prepared by dissolving 84.7 g of KMnO4 in 165 g of water?
What is the molality of a solution prepared by dissolving 15.25g of NaBr in 350 g of water?
What is the molality of a solution prepared by dissolving 30.57 g of iron (III) chloride in 284.7 g of water? Report your answer to THREE significant figures.
What is the molality of a solution prepared by dissolving 300 g KCl in 225 g H2O? Show all calculations and report your answer to the correct number of sig figs.
Calculate the molality of a dextrose (mw = 180.16 g/mole) solution prepared by dissolving 52.8 g dextrose in 500 mL of water (density of the solution is 1.06).
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 solution was prepared by dissolving 27.0 g KOH in 100 g water. A) what is mole fraction of KOH in solution? B) what is mass percent?C) what is the molality? 2. A solution was prepared by dissolving 27.0 g KOH(s)in 100.0 g water. You may use the chart below if you find usefiul to answer questions a) -e) MW (g/mol Mass ()moles 56.1 H20 18.0 Solution (a) What is the mole fraction of KOH in the solution? (5 pts...
Determine the molality and mole fraction of sucrose if a solution is prepared by dissolving 100.6 g of table sugar (sucrose, C12H22O11) in 985 g of water
Question 7 2 pts Molality An anti-freeze solution is prepared by dissolving 25.5 g of ethylene glycol (C2H602) in 769.0 g water to make 775 mL of solution? Input numbers only, with correct number of significant figures. Do not use scientific notation. a) What is the molarity of the solution? Methylene glycol b) What is the molality of the solution? methylene glycol c) What is the density of the solution? g/mL Il Proctorio is sharing your screen. Stop sharing Hide
1. Determine the molality of a solution prepared by dissolving 4.95 g of potassium chloride in 70 g of water. Enter your answer to 2 decimal places 2. Determine the molality of a solution of benzene dissolved in toluene (methylbenzene) for which the mole fraction of benzene is 0.132. Give your answer to 2 decimal places. 3. How many moles of solute particles are present in 7.89 mL of 0.458 M K2SO4? When you have your answer, take the LOG...