Answer:
Total amount of salt dissolved in water = 18 gram
Step-by-step explanation:
Given:
Addition of salt = 6 gram
From 6 g salt freezing point from = 0°C to -1.5°
Present freezing point = -4.5°C
Find:
Total amount of salt dissolved in water = ?
Computation:
⇒ Total amount of salt dissolved in water = [Present freezing point / From 6 g salt freezing point] Addition of salt
⇒ Total amount of salt dissolved in water = [(-4.5°C) / (-1.5°C)] 6 gram
⇒ Total amount of salt dissolved in water = [3] 6 gram
⇒Total amount of salt dissolved in water = 18 gram