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enot [183]
3 years ago
13

A 25.00-mL aliquot of an unstandardized HCl solution is titrated with the previously standardized NaOH solution from #1 above. I

f 32.55 mL of NaOH titrant is required to reach the endpoint, what is the exact molarity of the HCl solution?
Chemistry
1 answer:
jeka57 [31]3 years ago
5 0
The neutralization reaction would be:

HCl + NaOH --> NaCl + H₂O

Next, determine the equivalent moles of HCl from the given amount of titrant. However, there is a missing information. You should know the molarity of the NaOH to be able to solve this. Suppose, the concentration is 0.1 M NaOH.

0.1 M NaOH * 0.3255 L = 0.03255 mol NaOH

Since, the molar ratio is 1:1, then that is also equivalent to 0.03255 mol HCl. The molarity would then be:

Molarity = 0.03255 mol/0.25 = <em>0.1302 M HCl</em>
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