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Solved: A 25.0-mL sample of an unknown HClO4 solution requires 45.3 mL of 0.101 M NaOH

Chapter 13, Problem 94P

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QUESTION:

Problem 94P

A 25.0-mL sample of an unknown HClO4 solution requires 45.3 mL of 0.101 M NaOH for complete neutralization. What was the concentration of the unknown HClO4 solution? The neutralization reaction is:

HClO4(aq) + NaOH(aq) → H2O(l) + NaClO4(aq)

Questions & Answers

QUESTION:

Problem 94P

A 25.0-mL sample of an unknown HClO4 solution requires 45.3 mL of 0.101 M NaOH for complete neutralization. What was the concentration of the unknown HClO4 solution? The neutralization reaction is:

HClO4(aq) + NaOH(aq) → H2O(l) + NaClO4(aq)

ANSWER:

Problem 94P

A 25.0-mL sample of an unknown  solution requires 45.3 mL of 0.101 M NaOH for complete neutralization. What was the concentration of the unknown  solution? The neutralization reaction is:

                                                              Step by Step Solution

Step 1 of 3

The molarity of the solution is calculated by the following equation;

......(1)

Rearrange the formula (1)

....(2)

From the given,

Molarity = 0.101M

Volume = 45.3 mL = 0.0453L

Substitute the values in the equation (2)

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