Page 57 - UKBM KIMIA XI Genap 2021

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D. Hasil Pengamatan

Catatlah hasil pengukuran pH setiap larutan pada tabel berikut ini, dengan jujur !
Percobaan I.

No. Tab Larutan pH larutan
Aquades + 5 mL Aquades
(awal) (akhir)
1 10 ml CH3COOH 0,1 M
2. 10 ml CH3COONa 0,1 M
3. 10 ml NH4OH 0,1 M
4. 10 ml NH4Cl 0,1 M
5. 5 ml CH3COOH 0,1 M +
5 ml CH3COONa 0,1 M
6. 5 ml NH4OH 0,1 M +
5 ml NH4Cl 0,1 M

Percobaan II.

No. Tab Larutan pH larutan

+ 5 mLAquades + 1 mL HCl 0,1 M
(awal) (akhir)
7. 10 ml CH3COOH 0,1 M
8. 10 ml CH3COONa 0,1 M
9. 10 ml NH4OH 0,1 M
10. 10 ml NH4Cl 0,1 M

11. 5 ml CH3COOH 0,1 M +
5 ml CH3COONa 0,1 M
12. 5 ml NH4OH 0,1 M +
5 ml NH4Cl 0,1 M

Percobaan III.

No. Tab Larutan pH larutan

+ 5 mL Aquades + 1 mL NaOH 0,1 M
(awal) (akhir)
13. 10 ml CH3COOH 0,1 M
14. 10 ml CH3COONa 0,1 M
15. 10 ml NH4OH 0,100 M
16. 10 ml NH4Cl 0,100 M
17. 5 ml CH3COOH 0,1 M +
5 ml CH3COONa 0,1 M