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How many grams of NaF would be necessary to start precipitating BaF2 out of a 1.0...
How many moles of BaF2(s) will dissolve in 150. mL of 0.60 M NaF? For BaF2, Ksp= 2.45 ×10–5
It is observed that 7.5 mmol of BaF2 will dissolve in 1.0 L of water. Use these data to calculate the value of Ksp for barium fluoride. Question 19 options: A) 1.7 × 10–6 B) 5.6 × 10–5 C) 2.1 × 10–12 D) 7.5 × 10–3 E) 4.2 × 10–7
4) The Kip of BaF2 is 1.8 x 10-7. a) What is the molar solubility of BaF2 in water? (2 points) b) What is the molar solubility of BaF2 in 0.10 M NaF? (2 points) c) If 0.10 g of BaCl2 is added to 1.0 L of a 0.10 M solution of NaF, will BaF2 precipitate out? (2 points) 5) The molar solubility of silver(1) chromate, Ag2CrO4, in water is 6.5 x 109 M. Calculate K.p for AgaCrO4. (3 points)
4) The Kip of BaF2 is 1.8 x 10-7. a) What is the molar solubility of BaF2 in water? (2 points) b) What is the molar solubility of BaF2 in 0.10 M NaF? (2 points) c) If 0.10 g of BaCl2 is added to 1.0 L of a 0.10 M solution of NaF, will BaF2 precipitate out? (2 points) 5) The molar solubility of silver(1) chromate, Ag2CrO4, in water is 6.5 x 109 M. Calculate K.p for AgaCrO4. (3 points)
How many moles of NaF are in 56.5 grams of a 25.3% by mass NaF solution? Use 41.99 g/mol for the molar mass of NaF. Enter your answer without units. Type your answer...
How many moles of NaF are in 58.1 grams of a 35.9% by mass NaF solution? Use 41.99 g/mol for the molar mass of NaF. Enter your answer without units. Type your answer D
Questions: 1. Calculate the Ksp for PbBr2 if its molar solubility is 2.14 x 10-2 M at 25°C. 2. Calculate the molar solubility of CaF2 (Ksp = 4.0 x 10-11) in a 0.025 M NaF solution. 3. Solid sodium sulfate, Na2SO4, is added slowly to a solution that is 1.0 x 10-4 in both Ba2+ and Pb2+ until [SO42-] reaches 1.0 x 10-4 M. Would either BaSO4 (Ksp = 1.1 x 10-10) or PbSO4 (Kop -1.7 x 10-8) precipitate under...
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Question 7 O out of 1p The Ksp of CaF2 at 25°C is 4.0 x 10-11. Consider a solution that is 1.0 x 10-4 M in Ca(NO3)2 and 1.0 x 10-4 Min NaF. Selected Answer: Correct Answer: A. Q> Ksp and a precipitate will form. C. Q<Ksp and a precipitate will not form. Question 8 O out of 1 poi The Ksp of CaF2 at 25°C is 4 x 10-11. Consider a solution that...
Solid sodium sulfate, Na2SO4, is added slowly to a solution that is 1.0 x 10-4 in both Ba2+ and Pb2+ until [SO42-] reaches 1.0 x 10^-4 M. Would either BaSO4 (Ksp = 1.1 x 10^-10) or PbSO4 (Ksp = 1.7 x 10^-8) precipitate under these conditions?
How many grams of sodium acetate, NaC2H3O2, would have to be added to 1.0 L of 0.90 M acetic acid (pKa = 4.74) to make the solution a buffer for pH 4.00?