What is the molar concentration of H3O+ in a cola that has a pH of 3.120?

1 Answer
Jan 11, 2018

#"pH"# is the inverse logarithm of the concentration of hydronium ions in solution. It determines the acidity of solution. Likewise, its antilog will give the concentration of hydronium ions,

#[H_3O^+] = 10^(-3.120) approx 7.586*10^-4M#