Question

hydrogen ion concentration of an acid is 1 into 10 ki power minus 12mol / l what is its PH​

Answer 1

Answer:

pH = 12

Explanation:

As we are given:

Hydrogen ion concentration = [H+] = 1×10^-12 mol/litre

And requirement is:

pH;

Thus, by the definition of pH(power of Hydrogen);

pH = -log([H+])

Thus, put the value of [H+];

pH = -log(1×10^-12)

Now by riles of logarithmic function;

log(a×b) = loga + logb

pH = -(log(1)+log(10^-12))

And, we know that log(1)=0;

pH = -(0+log(10^-12))

pH = -log(10^-12)

And another rule of logarithmic function states:

Log(a^b) = blog(a)

Thus;

pH = -(-12)log(10)

And we know, log(10) = 1;

pH = 12