Answer:
[tex]\boxed{\text{3; acidic}}[/tex]
Explanation:
[H⁺] = 1 x 10⁻³ mol/L
To get the pH, you take the negative logarithm of the hydrogen ion concentration.
pH = -log[H⁺]
= -log(1 × 10⁻³)
= -log1 - log(10⁻³)
= 0 – (-3)
= 0 + 3
= 3
The pH is less than 7, so the solution is acidic.
According to pH values, the value below 7 indicates acidity. As per the given concentration of hydrogen ion, the pH value is 3 which means it is acidic.
pH is the value to determine whether the solution is acidic or basic.
It can be calculated as
[tex]pH= -log[H^{+} ][/tex]
Given,
[H⁺] = 1 x 10⁻³ mol/L
[H⁺]= -log(1 × 10⁻³)
[H⁺]= -log1 - log(10⁻³)
[H⁺]= 0 – (-3)
[H⁺]= 0 + 3
[H⁺]= 3
Thus, it can be concluded that the pH value here is 3, it means it is acidic.
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