Given two samples of acids, having the same pH -- sample A having a low acidity but high concentration, and sample B having the reverse -- what are the practical differences between them?
by 
rodschmidt
ANSWERS: 2
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pH = − log10[H + ] (pl peruse it as base 10) pH is the measure of H+ present. If the pH is same that means it has same number of H+. Let us take the example of HCl & H2SO4 HCl having high concentration(say 35%),will have less number of H+, vis a vis 30% H2SO4.. Reason is on dissolving in water HCL will give single H+ (H^+ + Cl-), whereas H2SO4 will give 2H+ (H^2 + SO4^--).
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Let's complicate this. Suppose we also have two alkali samples, C and D. Mix AC, AD, BC, BD. All neutral??? What's different????
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