Barium fluoride (BaF2) has a Ksp = 2.5 × 10–5 (mol/L)3. i. Write the dissolution reaction of BaF2, including all states. (0.5 points)

ii. Write the expression for Ksp for BaF2. (0.5 points)

iii. Write the Ksp expression as an algebraic equation, using the variable x to represent concentrations. (1 point)

iv. Find the solubility of BaF2 by solving the equation you wrote in part iii. (0.5 points)

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.

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