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pH of test tubes

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Seven test tubes were prepared as follows:

Tube 1: 5 mL of 0.1M HCl and 5 mL of water

and tubes 2 - 7 were filled with 9 mL of water

One mL of tube 1 was then poured into tube 2; 1 mL of tube 2 was poured into tube 3; 1 mL of tube 3 was poured into tube 4; 1 mL of tube 4 was poured into tube 5;1 mL of tube 5 was poured into tube 6 and 1 mL of tube 6 was poured into tube 7.

Please help me calculate the concentrations of H3O+ and the pH of each acidic solution.

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Solution Summary

This solution explains how to calculate the concentration of H3O+ and the pH of test tubes after several dilutions.

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Help calculate the concentrations of H3O+ and the pH of solutions?
Seven test tubes were prepared as follows:

Tube 1: 5 mL of 0.1M HCl and 5 mL of water

and tubes 2 - 7 were filled with 9 mL of water

One mL of tube 1 was then poured into tube 2; 1 mL of tube 2 was poured into ...

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