Calculate the pH of a 0.47 M NH₃ (K_b = 1.8$\times$ 10^-⁵)solution. A)2.54 B)8.93 C)5.07 D)0.47 E)11.46

Name: Calculate the pH of a 0.47 M NH 3 (K b = 1.8$\times$ 10 - 5 )solution. A)2.54 B)8.93 C)5.07 D)0.47 E)11.46
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Quizplus · Accepted Answer

The pH of a basic solution like NH₃ can be calculated using the Kb value. First, calculate the concentration of OH⁻ using the formula: [OH⁻] = √(Kb × [NH₃]). Then, find pOH = -log[OH⁻], and finally, pH = 14 - pOH. This results in a pH of approximately 11.46.

Calculate the PH of a 0 ×\times× 10-5)solution

Calculate the PH of a 0 $\times$ 10^-⁵)solution