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Solved: What volume in milliliters of 0.0985 M sodium hydroxide solution is required to

Chapter 14, Problem 52P

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QUESTION:

What volume in milliliters of 0.0985 M sodium hydroxide solution is required to reach the equivalence point in the complete titration of a 15.0-mL sample of 0.124 M phosphoric acid?

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QUESTION:

What volume in milliliters of 0.0985 M sodium hydroxide solution is required to reach the equivalence point in the complete titration of a 15.0-mL sample of 0.124 M phosphoric acid?

ANSWER:

Answer :

Step 1

From the given question

We can write the following equation

H3PO4 + 3NaOH  3H2O + Na3PO4

moles H3PO4 = M x L = ?

Using the coefficients in the balanced equation, convert moles H3PO4 to mols NaOH. That is moles H3PO4 x 3 = mols NaOH.

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