ahanselmuffin ahanselmuffin
  • 12-06-2017
  • Chemistry
contestada

An Erlenmeyer flask contains 25.00 mL of 0.10 M HCl. What is the pH of the solution?
–1.0 0.40 1.0 –1.6

Respuesta :

dec77cat dec77cat
  • 12-06-2017
c=0.10 mol/l

pH=-lg[H⁺]

HCl = H⁺ + Cl⁻

pH=-lgc

pH=-lg0.10=1.0

pH=1.0
Answer Link
IlaMends IlaMends
  • 16-05-2019

Answer:

The pH of the solution is 1.

Explanation:

Concentration of HCl solution = 0.10 M

[tex]HCl\rightarrow H^++Cl^-[/tex]

1 mole of HCl gives 1 mole of [tex]H^+[/tex] ions.

[tex][HCl]=[H^+]=0.10 M[/tex]

The pH of the solution is defined as negative logarithm of [tex]H^+[/tex] ions in the solution.Mathematically written as

[tex]pH=-\log[H^+][/tex]

[tex]pH=-\log[0.10 M]=1[/tex]

The pH of the solution is 1.

Answer Link

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