100 Business Math Questions and Answers (The Complete MBA CourseWork Series Book 2)

100 Business Math Questions and Answers (The Complete MBA CourseWork Series Book 2)

Sekolah Menengah Atas Dalam larutan NH⁴ OH 0,1 M dengan KB=1,6 di kali 10³ tentukan (OH) a larutan tersebut

Dalam larutan NH⁴ OH 0,1 M dengan KB=1,6 di kali 10³ tentukan (OH) a larutan tersebut

Jawaban:

[tex] {oh}^{ - } = \sqrt{1.6} \times {10}^{ - 2} [/tex]

sekitar 1,265 × 10^(-2)

Penjelasan:

[tex] {oh}^{ - } = \sqrt{kb.mb} \\ = \sqrt{1.6 \times {10}^{ - 3} \times 0.1} \\ = \sqrt{1.6 \times {10}^{ - 4} } \\ = \sqrt{1.6} \times {10}^{ - 2} \\ = 1.265 \times {10}^{ - 2} [/tex]

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