Q.1) Given a saturated solution of calcium carbonate ( atequilibrium ) how many moles of calcium ion will remain insolution after the addition of 3.16x10^-4 M of Na2co3 at 25C?(Assume PH is constant)
(Q.2) if the PH of finished water from a softening process is10.74, wahat amount of 0.02000 N sulfuric acid (mm) is required toneutralize 1.000 L of the finished water? (Assume bufferingcapacity is zero )
(Q.3) Convert the following concentration :
a) 0.2500 M NaOH to mg/L
b) 0.0704 M Na2SO4 to mg/L
c) 85.05 mg/L Ca(HCO3)2 to mg/L as CaCO3
d) 40.00 mg/L as CaCO3 to mg/L Cl-