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Solubility of Salts - Ksp Ksp Solubility

Solubility of Salts - Ksp Ksp Solubility

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<strong>Solubility</strong> and K sp<br />

1. What is the molar solubility <strong>of</strong> Ca 3<br />

(PO 4<br />

) 2<br />

at 25°C given a K sp<br />

<strong>of</strong> 2.0x10 –29 ?<br />

1.1. What is the concentration <strong>of</strong> calcium ions?<br />

1.2. What is this solubility in g/L solution?<br />

1.3. What is this solubility in parts per million (ppm) and parts per billion (ppb)? (Assume a soln<br />

density <strong>of</strong> 1.0 g/mL)<br />

mass <strong>of</strong> component in soln<br />

ppm = x10 6<br />

total mass <strong>of</strong> soln<br />

mass <strong>of</strong> component in soln<br />

ppb = x10 9<br />

total mass <strong>of</strong> soln<br />

Other Aspects <strong>of</strong> Ionic Equilibria 3<br />

K sp from Experimental Data<br />

A saturated solution <strong>of</strong> magnesium hydroxide in water has a pH <strong>of</strong> 10.38. Calculate the K sp<br />

for magnesium hydroxide.<br />

Other Aspects <strong>of</strong> Ionic Equilibria 4

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