Calculate the volume of water in ml that must be added to

Question

Calculate the volume, in mL, of 18.4 mol/ L concentrated sulfuric acid stock solution needed to prepare 0.869 L of 4.95 mol/L dilute sulfuric acid solution

Calculate the volume of water in mL that must be added to 67.8 mL of a 6.35 mol/L NaClO₃ (aq) solution to produce a diluted solution with a concentration of 2.50 mol/L.

Calculate the initial concentration of 100.0 mL sample of calcium chloride the final diluted solution has a volume of 345 mL and a concentration of 1.49 mol/L.