# Hydrogen concentration

The pH of solution A is 4.2, while the pH of solution B is 8.2. Find the Hydrogen Ion concentration of Solution A. How much greater is it than that of solution B?

(It says to use scientific notation using multiplication symbols in the math palette as needed and to round to the nearest tenth).

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#### Solution Preview

So pH = -log[H+]. hence [H+] = 10 ^ (- pH)

So for solution A, pH = 10 ^ ...

#### Solution Summary

This solution determines how much greater solution A is than solution B.

$2.19