Question
Asked Oct 3, 2019
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Calculate the concentration (in molarity) of an NaOH solution if 25.0 mL of the solution is needed to neutralize 17.1 mL of a 0.417 M HCl solution.

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Expert Answer

Step 1

The balanced equation will be:

HCl NaOH
H, O+NaC1
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HCl NaOH H, O+NaC1

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Step 2

According to the formula

M1VEM22
М,
M, Molarity of HCl
=Volume of Hc
M-Molarity of NaOH
2 Volume of NaOH
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M1VEM22 М, M, Molarity of HCl =Volume of Hc M-Molarity of NaOH 2 Volume of NaOH

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Step 3

Given,

 

Molarity of HCl is 0.417M.

Volume of HCl is 17.1 millilitre.

Molarity of NaOH is ?

Volume of NaOH is...

MV-м_V>
Му,
M22
0.417MX17.lm0.285M
M2
25.0mL
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MV-м_V> Му, M22 0.417MX17.lm0.285M M2 25.0mL

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General Chemistry

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