bhachumanpreet
bhachumanpreet bhachumanpreet
  • 02-10-2020
  • Chemistry
contestada

7. If a waste container has 87.0 mL of 0.234 M acetic acid, how many milliliters of 2.00 M sodium
hydroxide is needed to neutralize the acid?​

Respuesta :

sebassandin
sebassandin sebassandin
  • 07-10-2020

Answer:

[tex]V_{base}=10.2mL[/tex]

Explanation:

Hello.

In this case, since the neutralization of the acid requires equal number of moles of both acid and base:

[tex]n_{acid}=n_{base}[/tex]

Whereas we can express it in terms of concentrations and volumes:

[tex]M_{acid}V_{acid}=M_{base}V_{base}[/tex]

Thus, we can compute the volume of sodium hydroxide (base) as follows:

[tex]V_{base}=\frac{M_{acid}V_{acid}}{M_{base}} \\\\V_{base}=\frac{87.0mL*0.234M}{2.00M}\\ \\V_{base}=10.2mL[/tex]

Best regards.

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