4. A salt solution is made by taking 12.0 grams of NaCl (molar mass is 58.44...
3. A salt solution is made by taking 0.80 moles of NaCl and adding water to make 250.0 ml of solution. Calculate the molarity of the NaCl solution.
a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are the molarity, molality, and mole fraction of this solution? b.) How many grams of salt would you need to add to 500 mL of this solution to raise its mole % to 5.00?
Practice 1. A salt solution is made by taking 5.0 grams of NaCl and dissolving in 25.0 grams of water. Calculate the mass % of NaCl in this solution.
How many grams of NaCl (1 molar mass = 58.44 g/mol) are required to make 350 mL of a 1.25 M NaCl solution
What is molarity of a solution prepared by dissolving 4.65 g NaCl (FM = 58.44 g/mol) in enough water to make 275 mL of NaCl solution?
Given 15.0 g of NaCl (MM of NaCl = 58.44 g/mol) is dissolved in 100.0 g of water: a. Determine the mass percent of this solution. b. Assume the density of the solution is 1.00 g/ml, calculate the molarity of the solution.
Section Laboratory Caleulations 1.A.0 ml sample of NaCl solution was 5057 grams. When the water was evaporated, the residual salt weighed 1.285 grams (10 pts) Fill in the data table below using the information given Mass of salt solution Mass of NaCl Mass of water Volume of solution Using the information from the data table, calculate: a. The % weight-weight of NaCl in the solution. b. The grams of NaCl per 100 grams of water. C. The molarity of the...
A salt solution was made by dissolving 17.32 g of NaCl in 400.0 mL of water. Calculate the molality (NOT molarity) of this solution Hint: Molality (m) = moles of solute / Kg of solvent Use 11Na23 and 17Cl35.5
A solution X is made by taking 10.00 ml of a 1.0 M solution and add enough water to make 100.0 ml total volume. Solution Y is made by taking 5.0 ml of solution X and diluting it again by adding it to 95 ml of water. Calculate the molarity of solutions X and Y. Calculate the molarity of the solution created when 50.0 ml of 0.132 M NaOH is mixed with 75.0 ml of 0.120 M NaOH ( assuming...
How many grams of NaCl (MW 58.44) should you use to make a 500 ml of a 0.64 M solution?