Concentration of h3o ions
5 mL of a 0.002M solution of HCl is dissolved in 0.5 Liters of water. What is the concentration of H3O+ ions in the solution?
a. 1 x 10^-4 Mb. 2 x 10^-5 Mc. 1 x 10^-6 Md. 1 x 10^-7 Me. 2 x 10^-7 M
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