Which of the Following Indicators Would Be the Best to Use

question 36

Multiple Choice

Which of the following indicators would be the best to use when 0.050 M benzoic acid (K_a = 6.6 × 10^-5) is titrated with 0.05 M NaOH?

• A) bromphenol blue, pH range: 3.0-4.5
• B) bromcresol green, pH range: 3.8-5.4
• C) alizarin, pH range: 5.7-7.2
• D) phenol red, pH range: 6.9-8.2
• E) phenolphthalein, pH range: 8.0-10.1

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The way a manager works with and oversees employees to achieve organizational goals.

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