Question #69fd6 Chemistry Acids and Bases pH calculations 1 Answer BRIAN M. · Oscar L. May 12, 2016 #[H_3O^+] = 2.24\times10^-5# Explanation: Take the antilog of the negative pH to find the #[H_3O^+]# concentration antilog#[-4.65] =# #10^[-4.65] =# #[H_3O^+] = 2.24\times10^-5# Answer link Related questions How do you determine ph of a solution? How do you determine pH at an equivalence point? How do you determine pH from molarity? What does alkalinity mean? What is a base? How do acid base indicators change color? What is a neutral pH? How does alkalinity affect pool water? Why is pH important in drinking water? How can I calculate the pH of a solution? See all questions in pH calculations Impact of this question 1954 views around the world You can reuse this answer Creative Commons License