Calculate the molar solubility of LizPO4 (Ksp = 2.37 x 10-") in a %3D 0.0379 M lithium nitrate (LINO3) solution.

Hydroxyapatite, Ca₁(PO)(OH)₂, Ca₁(PO4)(OH)₂ (s) ⇒ 10 Ca² ¹(aq) + 6PO³(aq) + 2OH(aq) has a solubility constant of Ksp = 2.34 × 10-5⁹, and dissociates according to 10 Solid hydroxyapatite is dissolved in water to form a saturated solution. What is the concentration of Ca²+in this solution if [OH-] is fixed at 6.20 x 10-4 M?

What is the water solubility of BaCO3 (Kep = 2.6 x 10-9) in a solution containing 0.40 M CO, (aq)? %3D

1. Explain what is meant by the term Precipitate. 2. Calculate the solubility of Fe(OH)2 at 298 K in 1.0 mol dm³ NaOH given the solubility product constant (Ksp) of Fe(OH)2 at this temperature is 7.9 x 10-16 mol³ dmº.

Consider a solution that contains 0.10 M AsO43 and 0.15 M CO32. Solid Co(NO3)2 is added to separate these two anions. Ksp of Co3(AsO4)2 = 6.8 x 1029 and Ksp of COCO3 = 1.0 x 10 %3D 10 Assume the volume change is negligible. As solid Co(NO3)2 is added to this solution, which solid will precipitate first and what is the [Co2*] needed to maintain the maximum separation of AsO43 and CO32? COCO3 precipitates first and [Co2+]max = 9.1 x 10-7M COCO3 precipitates fırst and [Co2+]max = 1.9 x 10-9 M Co3(AsO4)2 precipitates first and [Co2+]max = 1.9 x 10-9 M None of these Co3(AsO4)2 precipitates first and [Co2*]max = 9.1 x 10-7M Co3(AsO4)2 precipitates first and [Co2*]max = 6.7 x 10-10 M COCO3 precipitates first and [Co2*]max = 6.7 x 10-10M

TUOv to lls worla taum uo 1o9TIOoni bolam od lliw elimu iboo lut o 19 4. Given the Borax reaction below, what would be the solubility product (Ksp) of borax at 40 °C, if the solubility of borax is 0.8 mol L¯1 at 40 °C? Na,B4O5 (OH)4 · 8H,O(s) = 2Na+ (aq) + B405(OH) (aq) +8H,O(1) sr vol (A) gnsb vgotino brrbae ar bo CHO)gab xglerino bisbasie orb il S

9. Use the following reaction from the lab to calculate the following: 2Na3PO4 12H₂O(s) + 3BaCl₂ 2H₂O(s) →→→ Bag (PO4)2 (s) +6NaCl(aq) +30H₂O(1) If 2 grams of Ba3(PO4)2 (s) (precipitate) are made, how many grams of BaCl₂ 2H₂O did you start with? If 1.5 grams of Ba3(PO4)2 (s) (precipitate) are made, how many grams of 2Na3PO4. 12H₂O did you start with? ©2022 F'22/S'23 Chemistry I Lab Manual 103 EXPERIMENT 5