Page 58 - New E-Modul Sistem Koloid Maifil Dwi Andrean
P. 58
S I S T E M K O L O I D
Kesimpulan percobaan:...................................................................................................
.............................................................................................................................................
............................................................................................................................................
.............................................................................................................................................
b. Cara kondensasi
Pembuatan sol Fe(OH)3
1. Panaskan 50 ml air di dalam gelas kimia sampai mendidih.
2. Tambahkan 25 tetes larutan FeCl3 jenuh dan aduk (Meneruskan pemanasan sampai
campuran berwarna merah coklat). Amati!
Hasil Pengamatan
1. Apakah terjadi reaksi dalam percobaan tersebut? Jika iya, tuliskan reaksinya!
Jawaban:......................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
....................................................................................................................................
2. Kenapa dalam melakukan percobaan harus dalam kondisi panas?
Jawaban:......................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
....................................................................................................................................
3. Apakah hasil akhir dari pencampuran air dan FeCl3 terbentuk koloid? Sebutkan
jenis koloidnya!
Jawaban:......................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
....................................................................................................................................
4. Senyawa apa yang berperan membentuk koloid dalam campuran ini?
Jawaban:......................................................................................................................
.....................................................................................................................................
.....................................................................................................................................
....................................................................................................................................
49
Chemistry is fun
