WebCalculate the value for Kspof Ca(OH)2from this data. Solution: 1) The chemical equation: Ca(OH)2⇌ Ca2++ 2OH¯ 2) The Kspexpression: Ksp= [Ca2+] [OH¯]2 3) Use titration data to determine moles of OH¯ in the 25.0 mL sample (Remember, every one H+neutralizes one OH¯.): molarity = moles ÷ volume (in liters) 0.0250 mol/L = x ÷ 0.02250 L x = 0.0005625 … WebChemistry questions and answers Rank the species from most to least soluble in water. 1. Ba (NO3)2, Ksp = 4.64x10-3 II. Ca (OH)2. Ksp = 7.20x10-15 III. FeCO3. Ksp = 3.13x10-11 1) > > III 2) > III > 11 3) > III > 1 4) > I > III Question: Rank the species from most to least soluble in water. 1. Ba (NO3)2, Ksp = 4.64x10-3 II. Ca (OH)2.
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WebSep 29, 2024 · Contoh soal 2 : Tuliskan rumus tetapan hasil kali kelarutan untuk senyawa Mg(OH) 2! Pembahasan: Mg(OH) 2 dalam larutan akan terurai menjadi ion-ionnya, Mg(OH) 2 ⇄ Mg 2 + + 2OH – Maka dari rumus Ksp diperoleh Ksp = [Mg 2+][OH –] 2. Contoh soal 3 : Pada suhu tertentu, kelarutan AgIO 3 adalah 2 × 10 –6 mol/L, tentukan harga tetapan … WebThe Ksp expression for Ba(OH)2 is: Ksp(Ba(OH)2) = [Ba2+][OH-]^2 We know that the concentration of Ba2+ in the solution is 0.250 M, so we can rearrange the expression for Ksp to solve for the concentration of OH-: the inequalities
无机化学练习题(含答案)第17章s区金属(碱金属与碱土金属)
Web3 ===== Na 2CO 3 + H 2O↑ + CO 2↑ 17-12:已知Mg(OH)2的Ksp= 1.8×10-11, NH 3.H 2O 的K b =1.8×10-5 ,计算反应: Mg(OH)2 + 2NH 4+ ≒ Mg 2+ +2 NH 3.H 2O 的平衡常数K ,讨论Mg(OH)2在氨水中的溶解性。 ... BaCl2 + 2CH3COOH = Ba(CH3COO)2↓ + 2HCl BaCl2 + K2CrO4 = BaCrO4↓+ 2KCl CaCຫໍສະໝຸດ Baidu2 + (NH4)2CO3 ... WebBarium hydroxide, Ba (OH)2, is reported to have a Ksp of 2.55E−4 at 25 °C. What is the solubility of Ba (OH)2 in g/L in a 0.45 M NaOH solution? This problem has been solved! You'll get a detailed solution from a subject matter expert … WebThe Ksp for Pb (OH)2 is 1.43 x 10-20 arrow_forward What is the solubility of AgCn (Ksp= 1.2 × 10-16 at 25 °C) in g/100mL? arrow_forward the solubility (in M) of cobalt (II) hydroxide, Co (OH)2 (s) in H2O. Ksp = 1.70×10-16 at a specific temperature=3.49x10^-6 What is the pH of this solution of cobalt (II) hydroxide? arrow_forward the inequalities in health alliance