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LAMPIRAN 3<br />

TETAPAN KIMIA<br />

Tabel 1.1 Konstanta Ionisasi Asam<br />

pada 25C<br />

Tabel 1.2 Konstanta Ionisasi Basa<br />

pada 25C<br />

Zat Rumus K a<br />

<strong>Kimia</strong><br />

Asam asetat HC 2<br />

H 3<br />

O 2<br />

1,7 x 10 –5<br />

Asam arsenat H 3<br />

AsO 4<br />

6,5 x 10 –3<br />

H 2<br />

AsO 4<br />

1,2 x 10 –7<br />

HAsO 4<br />

3,2 x 10 –12<br />

Asam askorbilat H 2<br />

C 6<br />

H 6<br />

O 6<br />

6,8 x 10 –5<br />

HC 6<br />

H 6<br />

O 6<br />

2,8 x 10 –12<br />

Asam benzoat HC 7<br />

H 5<br />

O 2<br />

6,3 x 10 –5<br />

Asam borak H 3<br />

BO 3<br />

5,9 x 10 –10<br />

Asam karbonat H 2<br />

CO 3<br />

4,3 x 10 –7<br />

–<br />

HCO 3<br />

4,8 x 10 –11<br />

Asam kromat H 2<br />

CrO 4<br />

1,5 x 10 –1<br />

–<br />

HCrO 4<br />

3,2 x 10 –7<br />

Asam sianat HCNO 3,5 x 10 –4<br />

Asam tarmiat HCHO 2<br />

1,7 x 10 –4<br />

Asam hidrosianat HCN 4,9 x 10 –10<br />

Asam hidrofluorat HF 6,8 x 10 –4<br />

Hidrogen perokmida H 2<br />

O 2<br />

1,8 x 10 –12<br />

Ion hidrogen sulfat<br />

–<br />

HSO 4<br />

1,1 x 10 –2<br />

Hidrogen sulfida H 2<br />

S 8,9 x 10 –8<br />

HS – 1,2 x 10 –13<br />

Asam hipoklorat HClO 3,5 x 10 –8<br />

Asam laktat HC 3<br />

H 5<br />

O 3<br />

1,3 x 10 –4<br />

Asam nitrat HNO 2<br />

4,5 x 10 –4<br />

Asam oksalat H 2<br />

C 2<br />

O 4<br />

5,6 x 10 –2<br />

–<br />

HC 2<br />

O 4<br />

5,1 x 10 –5<br />

Fenol C 6<br />

H 6<br />

OH 1,1 x 10 –10<br />

Asam fosfat H 3<br />

PO 4<br />

6,9 x 10 –3<br />

–<br />

H 2<br />

PO 4<br />

6,2 x 10 –8<br />

2–<br />

HPO 4<br />

4,8 x 10 –13<br />

Asam fosfit H 2<br />

PHO 3<br />

1,6 x 10 –2<br />

–<br />

HPHO 3<br />

7,0 x 10 –7<br />

Asam propionat HC 3<br />

H 5<br />

O 2<br />

1,3 x 10 –5<br />

Asam piruvat HC 3<br />

H 3<br />

O 3<br />

1,4 x 10 –4<br />

Asam sulfit H 2<br />

SO 3<br />

1,3 x 10 –2<br />

–<br />

HSO 3<br />

6,3 x 10 –8<br />

Zat Rumus K b<br />

<strong>Kimia</strong><br />

Amonia NH 3<br />

18 x 10 –5<br />

Anilin C 6<br />

H 5<br />

NH 2<br />

4,3 x 10 –10<br />

Dimetil amin (CH 3<br />

) 2<br />

NH 5,1 x 10 –4<br />

Etilamin C 2<br />

H 5<br />

NH 2<br />

4,7 x 10 –4<br />

Etilen dramin NH 2<br />

cH 2<br />

CH 2<br />

NH 2<br />

5,2 x 10 -4<br />

Hidrazin N 2<br />

H 4<br />

1,7 x 10 –6<br />

Hidroksilamin NH 2<br />

OH 1,1 x 10 –8<br />

Metilamin CH 3<br />

NH 2<br />

14,4 x 10 –4<br />

Piridin C 5<br />

H 5<br />

H 1,4 x 10 –6<br />

Trimetilamin (CH 3<br />

) 3<br />

N 6,5 x 10 –5<br />

Urea NH 2<br />

CONH 2<br />

1,5 x 10 –14<br />

Sumber: Book of Data<br />

282 <strong>Kimia</strong> Kelas XI SMA dan MA

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