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Leaf02
Questions and answers by visitors named
Leaf02
Questions (10)
What is the molar solubility of Ba3(PO4)2. Ksp Ba3(PO4)2 = 1.3x10-29
4 answers
727 views
The reaction HCN + SO4-2 <=====> CN- + HSO4- favors:
Ka = 1.2x10-2
1 answer
212 views
The pH of an NH3 and NH4Cl solution is 9.20. What is the [H3O+]
4 answers
617 views
Sodium propionate, NaC3H7O2, is used as a food preservative. What is the Kb of C3H7O2- given Ka HC3H7O2 = 3.4x10-5.
4 answers
478 views
An aqueous solution has a pOH = 6.5. What is the [H3O+] of this solution?
3 answers
885 views
Aspirin (acetylsalicylic acid) can cause stomach bleeding. Only the acid form can cross the stomach lining. Determine the ratio
4 answers
505 views
What is the pH of a solution containing 0.81M HA and 0.35M A- ? Ka HA=5.45x10-8.
4 answers
542 views
A 25.00mL sample of 0.100M HC2H3O2 is titrated with 0.100M NaOH. What is the pH after 25.00mL of NaOH have been added? Ka
5 answers
902 views
What ratio of C2H3O2- to HC2H3O2 is needed in a solution where the pH=3.85? pKa HC2H3O2 = 4.74
3 answers
551 views
The solubility of PbSO4 is 0.048g/1iter. What is the Ksp of PbSO4? (MM PbSO4 = 303.3)
4 answers
537 views
