How to find the pH of a solution

how do i find the pH of a strong acid solution, please in simple terms. Thanks :)

You need a chemical commonly known as " universal indicator" depending on the color the solution changes tells you if it is an Acid or an alkali and how strong it is , it does this by changing the color of the solution to the color that represents the strength so say it is Idk Blue and has a Ph of 7 you would know then that it is a weak acidic compound.

You may use a 'pH paper' to find the pH of a solution. The paper is yellow in colour and changes colour according to the nature of solution. Normally, the pH of a strong acid is 1-2 and pH paper on dipping in solution shows bright red coloration. pH of water is 7 and shows green colour. pH paper may be available at a local chemist shop.

Mathematically speaking, if you can accurately obtain the concentration of H+ ions in the solution, you can use the following formula to calculate the exact pH.

-log(base 10)[concentration of H+ ions per dm^3]

for example, 0.01mols per dm^3 would give a pH of:

-log[0.01] = 2

for dat u'll need the concentration of H+ ion in the solution. Like in H2SO4, molarity 1, Conc. of H+ ion is (2X1) 2 molarity.

next the formula of pH is
pH= -log( [H+] )
i.e., negative of log of the concentration of H+ ion...

i hope dat helped... :)

Litmus Paper test strips are the oldest way to test for the pH of a solution, some chemists may stock them to buy over the counter