Chemistry Practice Problems Strong Acid-Base Calculations Practice Problems Solution: What is the pH of a 0.542 M solution of HCl? enter...

Solution: What is the pH of a 0.542 M solution of HCl? enter your answer with two decimal places.a. 1.27b. -0.26c. -0.73d. 0.27e. 0

Problem

What is the pH of a 0.542 M solution of HCl? enter your answer with two decimal places.

a. 1.27
b. -0.26
c. -0.73
d. 0.27
e. 0

Solution

We're being asked to calculate the pH of a 0.542 M solution of HCl.


Recall that HCl is one of the strong binary acids.


Recall that strong acids completely dissociate in water and that acids donate H+ to the base (water in this case). The dissociation of HCl is as follows:


HCl(aq) + H2O(l)  H3O+(aq) + Cl(aq)


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