Pembahasan Soal OSN K Kimia Tahun 2025 Kelarutan dan Ksp (menghitung pH dari Ksp)

Discussion of the 2025 Chemistry OSNK questions Question number 2 is: The ratio of the solubility of calcium fluoride in 0.1 M Ca(NO₃)₂ to its solubility in 0.1 M NaF is... (Ksp CaF₂ = 5.3 × 10⁻⁹) Question number 3 is: Magnesium hydroxide is known as an antacid, a drug used to neutralize excess stomach acid. Magnesium hydroxide has low solubility in water, with a Ksp value of 5.6 × 10⁻¹². Solid magnesium hydroxide dissolves completely after reacting with stomach acid, producing a solution with a pH of... Discussion of the 2025 Chemistry OSNK questions #osn2025 #osnkimia #ksp #kimia