Calculate the percent dissociation for a weak monoprotic acid with a pK, of 6.92 at a concentration of 0.280 M. Assume the dissociation is negligible compared to the formal concentration: F-x can be approximated as F without introducing significant error. State the percent dissociation and, ignoring activity coefficients, state whether it would be expected to be higher or lower in the presence of 0.05 MHCI.

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6) Calculate the percent dissociation for a weak monoprotic acid with a pK, of 6.92 at a concentration of
0.280 M. Assume the dissociation is negligible compared to the formal concentration: F-x can be
approximated as F without introducing significant error. State the percent dissociation and, ignoring
activity coefficients, state whether it would be expected to be higher or lower in the presence of 0.05
M HCI.
7) Using activity coefficients, calculate the concentration of Ag present in a 0.1 M solution of KNO,
saturated with AgIO (s). Calculate the expected concentration without activity coefficients (using only
Ksp) and state which is larger.
AgIO, Kap-3.1x108
Transcribed Image Text:6) Calculate the percent dissociation for a weak monoprotic acid with a pK, of 6.92 at a concentration of 0.280 M. Assume the dissociation is negligible compared to the formal concentration: F-x can be approximated as F without introducing significant error. State the percent dissociation and, ignoring activity coefficients, state whether it would be expected to be higher or lower in the presence of 0.05 M HCI. 7) Using activity coefficients, calculate the concentration of Ag present in a 0.1 M solution of KNO, saturated with AgIO (s). Calculate the expected concentration without activity coefficients (using only Ksp) and state which is larger. AgIO, Kap-3.1x108
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