What is the effect on pH when a Hclo4 is diluted by a factor of 10? Chemistry What is the effect on pH when a Hclo4 is diluted by a factor of 10? a. pH increases by 10 b. pH decreases by 1 c. pH increases by 1 d. pH does not change Answer: c Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+