Which of these solutions is the most basic? Chemistry Which of these solutions is the most basic? a. [H+] = 1 × 10^-2M b. [OH-] = 1 × 10^-4M c. [H+] = 1 × 10^-11M d. [OH-] = 1 × 10-13M Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+