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Molarity

Q. Mole fraction of KNO3 in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. Calculate the molarity of the solution. A. 0.0194 M B. 0.981 M C. 1.05 M D. 1.96 M E. 19.4 M. (Ch13,Q36)

Solved • Apr 5, 2019

Molarity

Q. A sample of an Iron Oxalato complex salt weighting 0.125 grams requires 32.14 mL of 0.019 M KMnO4 to reach the quivalence point. Calculate the number of moles of KMnO4 added.

Solved • Apr 3, 2019

Molarity

Q. A solution is prepared by adding 0.300 g of solid NaCl to 50.0 mL of 0.100 M CaCl2. What is the molarity of chloride ion in the final solution? Assume that the volume of the final solution is 50.0 mL

Solved • Mar 26, 2019

Molarity

Q. The ionic compound, SrCl2, will fully dissolve in water. If 23.13 g is dissolved in water to give a final volume of 478.0 mL, then find the following ion concentrations.

Solved • Mar 25, 2019

Molarity

Q. What is the volume of an NH4Cl solution that has a molarity of 2.5 M and contains 0.305 mol NH4Cl?

Solved • Mar 25, 2019

Molarity

Q. what mass of potassium sulfate is required to make 1 L of a .250 M solution? Describe how you would make the solution.

Solved • Mar 17, 2019

Molarity

Q. If 2.14 g Fe(NO3)3 is dissolved in enough water to make exactly 445 mL of solution, what is the molar concentration of nitrate ion?

Solved • Mar 7, 2019