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Question 3 5 What is the pH of 0.025 M CaSO4?
What is the pH of the 0.025 M MgSO4 solution?
Calculate the solubility of CaSO4 (Ksp = 2.4 x 10^-5) in distilled water and in 0.025 M K2SO4 (include acitvity effects). The ionic diameter for Ca^2+ is 0.6, and the ionic diameter for SO4^2- is 0.4.
6. Determine the pH of 0.10 M ammonium bicarbonate.
What is the pH of a solution with an [OH-] = 1.42x10-6 M?
1. What is the pH of a solution which is 0.025 M in weak base and 0.039M in the conjugate weak acid (Ka = 7.1 × 10-6)? 2. A buffer solution is made using a weak acid, HA , that has a pKa of 5 . If the pH of the buffer is 8 , what is the ratio of [A−] to [HA] ? 3.A buffer solution is made using a weak acid, HA . If the pH of the...
calculte pH
.1.0 x 10-9 M solution of HNO3.
The Ksp of CaSO4 is 2.4x10-5. What is the molar solubility of CaSO4 in 0.11 M aqueous Ca(NO3)2? 0 2.2x104 4.9x10-3 8.7x10-6 1.5x10-2 1.8x10-5
Determine the pH of a 0.025 M KOH solution. O 2.5 O 12.7 12.4 1.60
QUESTION 10 Solustion has [OH7=5.0x10-10 M. Calculate pH.