Question 4 (4 points) How many milligrams of Mg(OH)2 can dissolve in 1.0 L of a 0.05M MgSO4 solution. The Ksp of Mg(OH)2
Posted: Thu Jun 09, 2022 7:54 am
Question 4 (4 points) How many milligrams of Mg(OH)2 can dissolve in 1.0 L of a 0.05M MgSO4 solution. The Ksp of Mg(OH)2 is 1.2 x 10-12.
Question 3 (4 points) Find the pH of a 0.1 M solution of nitrous acid (HNO₂). The K₂ for nitrous acid is 7.1 x 10-4. To achieve full marks, your answer needs to show all steps including an ICE table, the use of the hundreds rule, an expression equation for K, and the calculation of pH and/or pOH.
Question 3 (4 points) Find the pH of a 0.1 M solution of nitrous acid (HNO₂). The K₂ for nitrous acid is 7.1 x 10-4. To achieve full marks, your answer needs to show all steps including an ICE table, the use of the hundreds rule, an expression equation for K, and the calculation of pH and/or pOH.