Jawabanmu

2014-08-24T15:28:43+07:00
Mr glikol = 24 + 6 + 32 = 62
Berat glikol = (31mL/1000mL) × 1 = 0,031 kg = 31 gram
mol glikol = 31/62 = 0,5 mol
Berat air = 90mL ÷1000mL × 1 = 0,09kg

kemolalan = 0,5÷0,09 = 5,56 molal
2 4 2