please answer 2 and 3

ADVANCE stuoY ABsIGAMENT b. What is the molarive of the Ca3 bon is tee 330mt of woluben? c. How mary males of Ce2 ine are in a 2560al alsqus of the welution? An aliquot is found to require 21.55 al ef the FDTt befice the solutioo becenes why blue. a. How many molos of BDT A are there in te voluen tat ia wed? moles b. What is tie molarity of the EDTA solutioe? 3. A 100ml sample of hard water is titreted with the EDTA solution in Problem 2 . The volume of EDTA required to reach the end-point is 22.44ml. a. How many meles of EDTA are used in the linfed? moles b. How many moks of Cx2+ ige are there in the 100ml water sample? moles e. If tho Ca2 th ion comes frem CaOO3 bow many moles of CrCO3 are there in 1 liver of the har water? How many grains CaCO2 per liter? moles grams d. If I ppat CaCO3=1 meg per liter, what is the water bardness in pprm2CaCO ? 2. 25.00ml aliquots of the solution from Problem 1 are titrased with EDTA to the Calmagite end-point. An aliquot is found to require 28.55ml of the EDTA before the solution becomes sky blae. a. How many moles of EDTA are there in the volume that is used? moles b. What is the molarity of the EDTA solution? 3. A 100ml sample of hard water is titrated with the BDTA solution in Problem 2. The volume of EDTA required to reach the end-point is 22.44ml. a. How many moles of EDTA are used in the titration? 4. x/041 moles b. How many moles of Ca2+ ion are there in the 100ml water sample? (x)(