Consider the titration of carbonic acid (H2CO3; Ka1 = 4.3 x 10^-7; Ka2 = 4.7 x 10^-11) with NaOH. Calculate the pH at each half-equivalence point and at the first equivalence point. How to calculate molarity of HCl from titration Consider the titration of 40.0 mL of 0.250 M HF ...
Identify the acid-base reaction. H2SO4(aq) + 2KOH(aq) to K2SO4(aq) + 2H2O(l) In a triprotic acid, which Ka has the highest value? a. Ka1 b. Ka2 c. Ka3 d. all Ka have the same value Write the chemical equations for the stepwise ionization o...
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NPIV and vSCSI both require multipathing in VIO Server only. B. NPIV requires multipathing software on LPARs, vSCSI requires multipathing software on VIO Server. C. NPIV requires multipathing software on VIO Server, vSCSI...
How to Prevent Grasshopper Raids
We will find the right move when we ask how White actually mates after a random move of the black bishop. The black bishop blocks the access of the queen to a1 where the queen would mate. What if we could arrange something similar for the other black pieces? After a careful look we ...
You have to find the move 37...♜e7! The knight is badly pinned and after 38.♖e4, Surya got his queen to d5 with 38...♛d5. Black was completely winning and Wang Hao threw in the towel.Wang,Hao (2725) - Ganguly,Surya Shekhar (2638), Belt and Road Hunan Op A Changsha...
Water fills all the air spaces between the soil particles and this prevents oxygen from reaching the roots. In turn, this causes the soil to stagnate and prevents root growth.If plants look a bit sickly after a week or two of solid rain the minerals may have been washed away. Restore ...
Why is the concentration of a solution such as NaH2PO4 ignored when calculating the pH given Ka1, Ka2, and K3 values? The pH at the half-equivalence point in an acid-base titration was found to be 5.32. What is the value of Ka for the acid?Explore...
H3PO4 has three acidic protons with the following Ka values: Ka1 = 7.1 x 10^{-3} Ka2 = 6.3 x 10^{-8} Ka3 = 4.5 x 10^{-13} If you have this acid in a solution with a pH=5 what is the predominate form of the compound in solution?