Answer:
The correct answer is:'They are in a 1:10 ratio'.
Explanation:
The pH of the solution is defined as negative logarithm of hydrogen ions concentration in a solution.
Mathematically written as: \(pH=-\log[H^+]\)
The pH of solution-1 = 4
\(4=-\log[H_3O^+]\)
\([H_3O^+]=10^{-4} M\)
The pH of solution-2 = 3
\(3=-\log[H_3O^+]'\)
\([H_3O^+]'=10^{-3} M\)
The ratio of hydronium ion concentrations:
\(\frac{[H_3O^+]}{[H_3O^+]'}=\frac{10^{-4}}{10^{-3}}=\frac{1}{10}\)
