5E Instructional Model ALAT-ALAT LABORATORIUM Video 2. Alat-Alat Laboratorium https://www.youtube.com/watch?v=YlYW_37WI0Q&t=124s S Tabung Reaksi Gelas Kimia Rak Tabung Erlenmeyer Reaksi Pipet Tetes Spatula Kelas XI SMA/MA 18 Kesetimbangan Kimia