Page 49 - EMODUL ASAM BASA REVISI
P. 49
E-MODUL ASAM & BASA
Berbasis Guided Discovery Learning
Lembar Kerja Siswa 3
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-3
1. Konsentrasi ion H dalam sampel jus lemon adalah 2,5 x 10 M. hitunglah
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konsentrasi dari ion OH dan tentukanlah sifat larutan tersebut! (apakah asam,
basa, atau netral?).
Jawab:................................................................................................................
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2. Pada suhu 50°C, nilai Kw = 5,5 x 10 . Berapakah konsentrasi ion H dan
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OH pada larutan netral pada suhu 50°C?
Jawab:................................................................................................................
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3. Hitunglah pH air pada suhu 40°C, jika Kw = 3,8 x 10 pada suhu ini!
Jawab:................................................................................................................
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4. pOH larutan X adalah 9. Hitunglah konsentrasi ion Hidrogen larutan X
tersebut!
Jawab.................................................................................................................
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Submit Jawaban
Kelas XI SMA/MA 44
