What is the molarity of a solution that was prepared by dissolving 16 g of sodium hydroxide in 320 mL of water? (a) 2.5 M (b) 1.25 M (c) 0.5 M (d) 0.75 M

How many mL of solution can be prepared from b. 1.23 Kg of BaCl2 if a 6.0M solution is needed?

Calculate the number of moles of water in a solution that contains 16 g NaOH in 320 mL water. (a) 176 moles (b) 17.6 moles (c) 1.76 moles (d) 0.176 moles (d)

An aqueous solution containing 30.0% ammonium sulfate by mass has a density of 1.17 g/mL. The molar mass of ammonium sulfate, (NH4)2SO4, is 132.1 g/mol. What is the molar concentration of (NH4)2SO4 in the solution?           (A) 2.66 M          (B) 2.27 M          (C) 3.00 M          (D) 3.24 M

What will the molarity be of the resulting solutions made by mixing the following? Assume that volumes are additive. (a) 115  mL of 3.9 M H3PO4 with 787  mL of H2O (b) 231 mL of 0.62 M Na2SO4 with 727 mL of H2O (c) 75 mL of 0.50 M HNO3 with 75 mL of 1.5 M HNO3

How many milliliters of an aqueous solution of 0.198 M chromium(II) iodide is needed to obtain 10.2 grams of the salt? mL

a) Explain how youwould prepare 1.0 L of a 1.3M NaCl(aq) solution.(b) How many grams ofsodium sulfate are required tomake 500 mL of a solutionwhich is 0.80 M in sodiumion?

Calculate the molarity of the solutions made by mixing 158  mL of 8.7 M HC2H3O2 with the following:  a) 627 mL of H2O to M b) 188 mL of 1.1 M HC2H3O2  to M HC2H3O2

What is the molarity of 5.30 g of Na2CO3 dissolved in 400.0 mL solution? (a) 0.125 M (b) 0.075 M (c) 0.25 M (d) 1.25 M

Calculate the grams of solute in each of the following solutions: (a) 1.2 L of 18 M H2SO4:      X10        g H2SO4 (b) 69.0 mL of 2.47 M KMnO4:        g KMnO4 (c) 233 mL of 0.028 M Fe2(SO4)3:      g Fe2(SO4)3