hpelir1282
17.09.2019 •
Mathematics
The ph of a solution ranges from 0 to 14. an acid has a ph less than 7. pure water is neutral and has a ph of 7. the ph of a solution is given by ph = -logx where x represents the concentration of the hydrogen ions in the solution in moles per liter. find the ph if the hydrogen ion concentration is 1 x 10-1
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Ответ:
pH = 1
Step-by-step explanation:
Let x = concentration of the hydrogen ions in the solution in moles per liter.
We know that pH = -log x.
When the concentration of the hydrogen ion is 1 × 10⁻¹ M, x = 1 × 10⁻¹ and the pH is:
pH = -log x = -log 1 × 10⁻¹ = - (-1) = 1
Since the pH is less than 1, the solution is an acid.
Ответ:
True, because both numbers cancel each other out.