Question

what happens when magnesium fluoride is dissolved in water

Answer 1

Answer:

Magnesium chloride dissolves in water to give a faintly acidic solution (pH = approximately 6).

Answer 2

Explanation:

Magnesium fluoride is highly insoluble in water (0.0076 g/100 mL) at 18°C [151]. It can be agglomerated with water, pressed into green pellets, dewatered, and sintered at high temperatures to produce porous pellets that can be used to selectively trap technetium. Trapped technetium cannot be easily desorbed from the MgF₂, requiring temperatures above 1000°C. However, trapped technetium can be easily removed by washing with water or dilute nitric acid. The magnesium fluoride can be reused after a drying step [152]. Magnesium fluoride has been used at a large scale for the selective trapping of volatile technetium fluorides and oxyfluorides of technetium comingled with UF₆ [22,152,153].