PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
misi gan... Di Laboratorium tersedia 200 mL larutan NaOH 2M. Jika diketahui massa jenis NAOH 1,2 g/ml, kemolalan larutan tersebut sebesar .... m (Mr NaOH 40) THX. rho = m/v 1,2 = m / 200 m = 240 gr. Kemolalan = n . 1000/v = 240/40 . 1000/200 = 6 . 5 = 30