A solution contains 22.0 g of HCI dissolved in sufficient water to give a total mass of 125.0 g. what is the molality of the solution? __?__m

A solution containing 41.684 g of LiF (M.M. = 25.939 g/mol) per liter has a density of 1.391 g/mL. What is the molality of LiF in the resulting solution?

How many grams of MgCl2 are there in 191 grams of an aqueous solution that is 6.70 % by weight MgCl2. ____ g MgCl2

The concentration unit one part per billion (one ppb) is equivalent to one _____ of solute per _____ of solution.     ng; kg     μg; kg     μg; g     mg; g

1. What is the percent by mass of 6 g of copper (II) sulfate dissolved in 84 g of water? 2. A solution is made by adding 35 mL of toluene to 70 mL of benzene. What is the percent by volume of toluene? 3. A solution is formed by adding 25 g of sodium nitrate to 275 g of water. What is the percent by mass of sodium nitrate? 4. What is the percent by volume of a solution formed by mixing 85 mL of isopropanol with 245 mL of water? 5. An experiment requires a solution that is 80% ethyl alcohol by volume. What volume of ethyl alcohol should be added to 400 mL of water to make this solution? 6. Calculate the mass of solute in a 10% salt solution if the mass of a solution is 250 grams. 7. A sugar solution was made by mixing 24 g of glucose with 200 g of water. What is the percentage concentration by mass of the glucose in the solution? 8. What is the percent by mass of a solution made by dissolving 163 g of potassium cloride in 755 g of water?

Which solutions has a concentration of IM? The molar mass of table salt is 78g. A solution contains_ A. 72 g of salt in 1000mL of solution B. 72g of salt in 1000g of water C. 72g of salt in 1000g of solution D. 72g of salt in 928g of water

Aqueous solution of acetone has 1.37% by mass of acetone. If the density is 0.965 g/mL, what is the concentration of the solution expressed in units of: 1. Molarity 2. Mass Volume % 3. Parts per million

26. If 5 moles of NaCl is added to a 5 liter of pure water what will be the molality of the solution. Na-23 g/mole Cl-35.5 g/mole a. 1 m c. 2 m b. 1 M d. 2 M 27. If 5 moles of NaCl is added to a 5 liter of pure water what will be the molarity of the solution. a. 1 m c. 2 m b. 1 M d. 2 M 28. If 5 moles of NaCl is added to a 1 liter of pure water what will be the percent by mass of the solution. a. 27.63% c. 5,85% d. 26.67% b. 29.25% 29. Calculate the boiling point of a solution containing 25 g sugar (molar mass=342 g) dissolved in 150 g of water. a. 100.25 °C c. 99.75 "C d. 100 °C b. 0.25 °C 30. If S (s) + 02 (g) SO2 (g) have A H = -296.8 K and 280 (s) + 02 (g) 2S03 (g) and A H = -798.4 kJ what will be the S (s) + 3/202 (g) S03 (g) AH = ? a. -696.0 kJ c. -696.0 J d. 696.0 b. 696.0 kJ

1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose density is 1.12 g/mL.   2. A 3.140 molal solution of NaCl is prepared. How many grams of NaCl (58.44 g/mol) are present in a sample containing 1.994 kg of water?

what is the correct answer. Ratio of solute-to-solution mass expressed as a percentagea. Percent by volume b. Percent by volume c. Percent by mass-volume d. percent by parts per million