You have dissolved 0.503 g of potassium hydroxide in 125 mL of water. You wish to neutralize this base by adding sulfuric acid to the solution, the...

1.You have dissolved 0.503 g of potassium hydroxide in 125 mL of water. You wish to neutralize this base by adding sulfuric acid to the solution, the sulfuric acid that you have is 0.265 M. What volume of sulfuric acid must you add to the solution to neutralize all the base?

explain and show work plz

2.A solution is prepared by dissolving 10.0 grams of ammonium sulfate in 215 mL of water. What is the molar concentration of ammonium in the solution?