What is pH? It measures the acidity of a solution. It directly relates to the concentration of H ions. More H ions means a more acidic solution, less H ions means less acidic. But the range of concentrations is huge, so we use a logarithmic scale to make it more manageable. pH is the -log10[H ]. To find the concentration of H from pH, we do [H ]=10^-pH #revision #science #acidbase #alevelchem #learnontiktok

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