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Question 3 5 What is the pH of 0.025 M CaSO4? Show transcribed image text
What is the pH of 0.025 M CaSO4?
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.
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
What is the pH of the 0.025 M MgSO4 solution?
Question 20 3 pts What is the pH of a 1.0-L buffer solution composed of 0.025 M CH3NH2 and 0.035 M CH3NH2NO3? 09.10 7.89 O 5.53 10.50 O 6.18
3. (5 pts) 0.025 M solution of a base called hydroxylamine (NH,OH) has a pH of 9.11. What is acid-dissociation constant of conjugated acid of hydroxylamine? What is the Lewis formula of the acid? (Remember that hydroxylamine and ammonia are quite similar...)
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...
QUESTION 10 Solustion has [OH7=5.0x10-10 M. Calculate pH.
6. Determine the pH of 0.10 M ammonium bicarbonate.
What is the pH of a solution with an [OH-] = 1.42x10-6 M?