21) The following is a figure showing titration curves of bases of different K values with strong acids, and the pH rang

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21 The Following Is A Figure Showing Titration Curves Of Bases Of Different K Values With Strong Acids And The Ph Rang 1 (37.73 KiB) Viewed 41 times

21) The following is a figure showing titration curves of bases of different K values with strong acids, and the pH ranges of three indicators. Based on this figure, which of three indicators can be used for the titration of a base of: (a) K₂ = 10-³ (b) Kb = 10.5 Strong base (c) K₂ = 10⁹ 12.0 K₂-10-² 10.0 K₂-104 8.0 K₂=106 6.0 K₂=10 4.0 K₂=10-10 2.0 10 20 30 40 50 60 Volume of 0.1000 M HCl, mL Hd 0 2004 Thomson- 2521 Phenolphthalein transition range Bromothymol bh transition range Bromocresol gret transition range