Consider a soil with negligible ionic strength (activity = concentration), constant pH of 7.7, (Ca2+) = 10-3.2 M and total P = 104.4 M Given the dissolution reaction of brushite is written: CaHPO4-2H2O(s) + H* (aq) = Ca2"(aq) + H2PO4¯ (aq) + 2H2O .and that H3PO4 has a pka2 of 7.21, calculate log(IAP) (same as log(Q)) of the reaction, and save your answer for the next question.
Consider a soil with negligible ionic strength (activity = concentration), constant pH of 7.7, (Ca2+) = 10-3.2 M and total P = 104.4 M Given the dissolution reaction of brushite is written: CaHPO4-2H2O(s) + H* (aq) = Ca2"(aq) + H2PO4¯ (aq) + 2H2O .and that H3PO4 has a pka2 of 7.21, calculate log(IAP) (same as log(Q)) of the reaction, and save your answer for the next question.
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.8QAP
Related questions
Question
Transcribed Image Text:Consider a soil with negligible ionic strength (activity = concentration), constant pH
of 7.7, (Ca2+) = 10*3.2 M and total P = 104.4
M
Given the dissolution reaction of brushite is written:
CaHPO4-2H2O(s) + H* (aq)
2 Ca2
"(aq) + H2PO4¯ (aq) + 2H2O
.and that H3PO4 has a pka2 of 7.21, calculate log(IAP) (same as log(Q)) of the
reaction, and save your answer for the next question.
Your Answer:
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you