What is the pH of a solution in which [H3O+] = 0.0001 M?

4

Explanation:

Data obtained from the question include:

[H3O+] = 0.0001 M

pH =?

pH is the negative logarithm of the hydrogen ion or hydronium ion. It is written as:

pH = - Log [H3O+]

Now inputing the value of [H3O+] into the equation above, the pH value can be obtained as follow illustrated below

pH = - Log [H3O+]

[H3O+] = 0.0001 M

pH = - Log 0.0001

pH = 4

Therefore, the pH of the solution is 4.

they are made of gases.

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> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.