24. Stalactites-the long, icicle-like formations that hang from the ceilings of caves-are formed from recrystallizing minerals...

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24. Stalactites-the long, icicle-like formations that hang from the ceilings of caves-are formed from recrystallizing mineral

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Answer 1

Answer #1

Cacoz → Ca2+ + CO32-

As the salt is ionic it will completely dissociate in solvent

Let S be the solubility of each ion

Ksp = [Ca²⁺][CO₃^2-]

Ksp = S * S = 4.5 * 10^-9

S = 6.71 * 10^-5M

BaSO4(s) --> Ba2+(aq) + SO42-(aq)

Ksp = S*S

1.1 * 10^-10 = S²

S = 1.049 * 10^-10 M

Molarity of sodium sulfate = 0.05M

Molarity of Barium sulfate = 1.049 * 10^-10 M

Solubility of BaSO₄ = 2 * solubility of NaSO₄

2 * 1.049 * 10^-10 * 0.05 = 2.2 * 10^-9 M

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Answer 2

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24. Stalactites-the long, icicle-like formations that hang from the ceilings of caves-are formed from recrystallizing minerals...

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