Question

Some students investigated whether the pH of an acid changes when it is diluted by mixing the acid with different volumes of water.They drew up a variable table to help them set a fair test.The table below shows how the students diluted their acid.

How will the students measure the pH of the Diluted acid?

Answer 1

they measure the pH by pH paper and by measuring the concentration of h in solution

Answer 2

by putting the ph paper in solution of diluted acids gradually