weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70 Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0