Answer:
If solution A has a pH value of 10 which is greater than 7, it means that solution A is a base because all bases have pH value more than 7, while on the other hand, if solution B has pH value of 2 which is less than 7, this indicates that the solution is acidic.
Now, all acids have more concentration of H+ ions and they have less OH- ions, bases have less H+ ions and more of OH- ions.
So, Solution A = Higher concentration of H+ ions
Solution B = Less concentration of H+ ions.
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