Web2 feb. 2024 · First, write out the Ksp expression, then substitute in concentrations and solve for Ksp: CaF 2 ( s) ↽ − − ⇀ Ca 2 + ( aq) + 2 F − ( aq) A saturated solution is a solution at equilibrium with the solid. Thus: K sp = [ Ca 2 +] [ F −] 2 = ( 2.1 × 10 − 4) ( 4.2 × 10 − 4) 2 = 3.7 × 10 − 11. As with other equilibrium constants ... Web13 apr. 2024 · קופונים KSP - קיי.אס.פי. , מבצעים & קוד קופון הנחה 2024. 2024 KSP – (קיי.אס.פי) רשת שהוקם בשנת 1994, הרשת פרוסה בכל הארץ כ- 53 סניפים. קי אס פי מציע מגוון גדול ורחב של מוצרי חשמל ואלקטרוניקה, ניתן למצוא: מחשבים ...
18.1: Solubility Product Constant, Ksp - Chemistry LibreTexts
WebThe solubility of CaF 2 (molar mass 78.1) at 18°C is reported to be 1.6 mg per 100 mL of water. Calculate the value of Ks under these conditions. Solution moles of solute in 100 mL; S = 0.0016 g / 78.1 g/mol = 2.05 × 10 − 5 mol S = 2.05 × 10 – 5mol 0.100L = 2.05 × 10 − 4M Ksp = [Ca2 +][F –]2 = (S)(2S)2 = 4 × (2.05 × 10 – 4)3 = 3.44 × 10 – 11 Web20 jan. 2024 · Selanjutnya kita tulis reaksi kimia yang berlangsung untuk mengetahui kelarutan masing-masing zat penyusun Mg (OH) 2 sehingga nantinya dapat kita hitung nilai hasil kali kelarutan (Ksp) Mg (OH) 2. Reaksi : Mg (OH) 2 (s) ⇌ Mg 2+(aq) + 2OH –(aq) Kelarutan: s s 2s. Sekarang tinggal kita hitung nilai hasil kali kelarutan (Ksp) Mg (OH) 2. cotton green card
17.2: Molar Solubility and Ksp - Chemistry LibreTexts
WebKsp (solubility product)在一定温度下是个常数,它的大小反映了物质的溶解能力。. 对于相同数目离子组成的沉淀,溶度积越小越难溶。. Ksp值只随温度的变化而变化,不随浓度增大而增大。. 计算公式:Ksp (AmBn)= [c (An+)]m· [c (Bm-)]n,式中的浓度都是平衡浓度。. Web28 aug. 2024 · A light is a part that uses electricity or electric charge to shine a light. They can be used to provide visibility while landing at night or in a shaded area, and also to illuminate the craft itself. Electric lights are also useful for illuminating a rendez-vous target, such as a space station, if the vehicle is expecting to mate with a docking port that is in … WebDimasukkan 10 mL Pb (NO3)2 0,075 M kedalam 8 tabung reaksi. 3. Ditambahkan KCl 1,0 M dengan volume masing-masing 0,5 mL, 1,0 mL, 1,1 mL, 1,2 mL, 1,3 mL, 1,4 mL, 1,5 mL, 1,6 mL pada 8 tabung reaksi. 4. Dikocok dan dibiarkan selama 5 menit 5. Diamati apakah terbentuk endapan atau belum 6. Dicatat hasil pengamatan 2. cottongrass eriophorum vaginatum