Molar Concentrations What is the molar concentration of an ammonium carbonate solution made by dissolving 1.460 grams of ammonium carbonate in enough water to create 100.0 mL of total solution? M ammonium carbonate?
Molar Concentrations What is the molar concentration of an ammonium carbonate solution made by dissolving 1.460...
Ch.3-4 A solution is made by dissolving 22.9 g of ammonium hydrogen carbonate, NH4HCO3, in enough water to make exactly 500. mL of solution. Calculate the molarity of each species: NH4HCO3 ________ mol/L NH4+____________ mol/L HCO3-___________mol/L
What is the approximate molar concentration of Cl' ions in a solution that is made by dissolving 12.5 g of AlCl3 in enough water to make 400 mL of solution? The molar mass of AICIz is 133.34 g/mol. O 0.234 M 0 0.0781 M O 0.0938 M O 0.703 M O None of these choices is correct
Question 1 (0.25 points) What is the molar concentration of sucrose (C12H22011) in a solution made by dissolving 33.95g of sucrose in enough water to make 500.0mL of solution? Use the Periodic Table in Appendix A of your textbook and round to an appropriate number of sig figs. Your Answer: Answer units Question 2 (0.25 points) What is the molar concentration (M) of potassium acetate in a solution made by dissolving 10.83g of potassium acetate in enough water to make...
Section: Name: Laboratory Questions: Solution Stoichiometry A solution is prepared by dissolving 3.7500 grams iron(III) oxalate in enough water to make 125.00 mL of solution. 1. What is the molar concentration of iron(III) oxalate in this solution? a. b. What is the molar concentration of oxalate ions in this solution? . Describe how prepare 250.00 mL of 0.150 M ammonium ion solution beginning with would you solid ammonium phosphate, (NH), PO
6) What is the mass percent of an ammonium carbonate solution prepared by dissolving 33.2 grams of solid into 39.5 grams of water? A) 84.1% B) 72.7% C) 45.7% D) 54.3% E) none of the above
Solutions and Dilutions 1. What would be the percent (%) concentration of a solution that results from the combination of 115.0 grams of potassium nitrate with 0.320 L of water? Identify the solute and solvent of the solution 2. A solution is prepared by mixing together 76.40 mL of liquid ethanol (C2H4O) and 110.25 mL of water. Identify the solute and solvent of the resulting solution. What would be the percent (%) concentration of the solution? 3. How many grams...
Question 4 1 pts What is the concentration of a solution made by dissolving 8.212 g of potassium carbonate in 81.2 mL of water.
5. (10 pts) Find pH of solution prepared by dissolving 1.0 g of sodium carbonate and 1.0 g of sodium hydrogen carbonate in enough water to make 100.0 mL solution. The base dissociation constant of carbonate ion is 1.8x10-4. Assume that hydrogen carbonate ion does not react with water.
A stock solution of analyte is made by dissolving 34.83 mg of copper (II) acetate hexahydrate (fw = 289.73 g/mol) in 25.000 mL of water. A second stock solution of internal standard is made by dissolving 28.43 mg of germanium (I) acetate (fw = 190.74 g/mol) into 25.000 mL of water. These solutions are used to make a series of standards for flame atomic absorption analysis calibration. The standard solutions (each 10.00 mL total volume) should have the following concentrations...
Molarity: Ion Concentration In the laboratory you dissolve 12.8 g of ammonium carbonate in a volumetric flask and add water to a total volume of 125 mL What is the molarity of the solution? М. What is the concentration of the ammonium cation? М. М. What is the concentration of the carbonate anion?