ANALYSIS OF STUDENTS' UNDERSTANDING IN LEARNING CHEMISTRY ABOUT SOLUBILITY

Solubility is one of the subject that students commonly find to be problematic, developing a wide range
of altenative conceptions. The purpose of this study was to describe chemistry learning process and identify the
conception. The questions were given to students in grade XI one of the schools in Padang city. The results showed
that there are many misconceptions about concepts in this subject. 61% of students experiencing misconceptions
about the concept of the effect of ion namesake, 54% of the saturated solution concept, not yet saturated and
superheated and 58% about the concept of the precipitation reaction. Student misconceptions and
misunderstandings caused by teachers and students. Based on the observation of the learning process estimated
misconception occurs because 1) the teacher did not review the prior knowledge of students, 2) learning methods are
still traditional, 3) the teacher are less able to motivate students. Interviews with students can be concluded that the
misconception occurs due to lack interpret student learning materials (memorized). so that the acquired knowledge
is easily forgotten.