How many milliliters of 0.534 M H₂SO₄ are required to neutralize 245 mL of 0.633 M KOH?

A FeCl3 solution is 0.175 M. How many mL of a 0.175 M FeCl3 solution are needed to make 650 mL of a solution that is 0.300 M in Cl⁻ ion?

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100.0 mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275.0 mL of a final solution. How many grams of NO3- ion are there in the final solution?

Calculate the molarity of an unknown sulfuric acid (H₂SO₄) solution if a 25.0 mL sample of the acid solution consumes 27.2 mL of 0.138 M NaOH solution in a titration. Assume the reaction is: H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O.

What is the concentration of carbonate ions (CO3^2−) in a 0.090 M carbonic acid (H2CO3) solution, assuming complete dissociation?

What is the concentration of chloride ions in the solution formed by mixing 3.50 g of NaCl with 40.9 mL of 0.407 M CaCl2 solution, assuming the volumes are additive?

What is the concentration of a solution of HCl in which a 10.0 mL sample of acid required 50.0 mL of 0.150 M NaOH solution for neutralization?

What is the mass of chloride ions in 375.0 mL of solution with a magnesium chloride concentration of 0.250 M?

What minimum volume of 0.248 M potassium iodide solution is required to completely precipitate all of the lead in 190.0 mL of a 0.100 M lead(II) nitrate solution?