3) (24 points) What is the solubility of CaF, (calcium fluoride) in ... a) ...pure water?...
What is the solubility of CaF2 (calcium fluoride) in... a) ...pure water? b) ...0.4 M caCl2
5. Here is some information on four solid substances: Substance Calcium fluoride, CaF Potassium nitrate, KNO Sodium sulfate, NasSO Iron, Fe Solubility in water insoluble soluble soluble insoluble Can the following pairs be separated by extraction with water? (yes or no?) a. calcium fluoride and iron b. calcium fluoride and potassium nitrate d. sodium sulfate and calcium fluoride c. potassium nitrate and sodium sulfate e. iron and sodium sulfate f. potassium nitrate and iron
The solubility of magnesium fluoride in pure water is 1.65 x 10^-3 grams per 100 mL of water. a. Calculate Ksp for magnesium fluoride. b. What is the solubility of magnesium fluoride in a 0.500 M magnesium nitrate solution? c. What could you do to increase the solubility of magnesium fluoride?
The solubility of magnesium fluoride in pure water is 1.65 x 10^3 grams per 100 mL of water. a. Calculate Ksp for magnesium fluoride. b. What is the solubility of magnesium fluoride in a 0.500 M magnesium nitrate solution? c. What could you do to increase the solubility of magnesium fluoride?
What would be the solubility of Caf, Kp-3.9x 10, if dissolved in pure water instead? c. d. Using the common ion effect explain in a sentence or two the difference in Caf, solubility in parts b and c of this question. 18. BONUS QUESTION. Determine E and 4G for the following reaction (10 points): Fe(ag)+Zn (s)-Fe(o)+Zn (ag) Fe (ag)+e-Fes) Z (ag)+e" Zn() ed-0440 V E0763
tion 12 of 27 > In a saturated aqueous solution of CaF , the calcium ion concentration is 2.15 x 10-4 M and the fluoride ion concentration is 4.31 x 10M. Calculate the solubility product, Kıp, for CaF, Kop =
Compare the solubility of calcium fluoride in each of the following aqueous solutions: Clear All 0.10 M Ca(CH3COO)2 0.10 M NH4F 0.10 M NH4NO3 0.10 M NaCH3COO More soluble than in pure water. Similar solubility as in pure water. Less soluble than in pure water.
The molar solubility of calcium fluoride in a water solution is
ksp is 3.45x10-11
Calculate the solubility at 25 °C of CaF, in pure water and in a 0.0110 MNaF solution. Round both of your answers to 2 significant digits. solubility in pure water: L solubility in 0.0110 M NaF solution: ? X
Compare the solubility of calcium fluoride in each of the following aqueous solutions: Clear All 0.10 M Ca(CH2C00), More soluble than in pure water. 0.10 M NaF Similar solubility as in pure water. 0.10 M NaNO, Less soluble than in pure water. 0.10 M NH CH,COO Submit Answer Retry Entire Group No more group attempts remain