Determine the concentration of NaOH & Na2CO3 mixture if 10 mL from the sample was titrated against 0.2 N HCl using ph.ph
Posted: Tue Nov 16, 2021 6:18 am
Determine the concentration of NaOH & Na2CO3 mixture if 10 mL from the sample was titrated against 0.2 N HCl using ph.ph indicator and gave end point = 10 and another 10 mL sample was titrated against 0.2 N HCl using M.O indicator and gave end point 12 M.wt of NaOH=40 M.wt of Na2CO3= 106 Answer: 6.4 gm/L 4.24gm/L = Determine the concentration of NaHCO3 & Na2CO3 mixture if 10 mL from the sample was titrated against 0.2 N HCl using ph.ph indicator and gave end point = 6 and another 10 mL sample was titrated against 0.2 N HCl using M.O indicator and gave end point 14 M.wt of NaHCO3=84 M.wt of Na2CO3= 106 Answer: 12.72 gm/L carbonate 3.36 gm/L bicarbonate