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Tema [17]
3 years ago
7

What is the pH of 0.000134 M solution of HCI?

Chemistry
2 answers:
emmainna [20.7K]3 years ago
7 0

Answer: The pH of 0.000134 M solution of HCl is 3.873.

Explanation:

When HCl dissociates in water then it will give hydrogen and chlorine ions. The reaction will be as follows.

          HCl \rightarrow H^{+} + Cl^{-}

This means that 1 mole of HCl is giving 1 mole of hydrogen ions on dissociation.

Hence, pH of the given solution will be calculated as follows.

                pH = -log [H^{+}]

                      = -log (0.000134)

                      = 3.873

Thus, we can conclude that the pH of 0.000134 M solution of HCl is 3.873.

mafiozo [28]3 years ago
5 0

Answer: The pH will be 3.87

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

pH=-\log [H^+]

HCl\rightarrow H^++Cl^{-}

According to stoichiometry,

1 mole of HCl gives 1 mole of H^+

Thus 0.000134 moles of HCl gives =\frac{1}{1}\times 0.000134=0.0001342 moles of H^+

Putting in the values:

pH=-\log[0.000134]

pH=3.87

Thus the pH will be 3.87

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