What Is the PH at the Equivalence Point of a Weak

question 10

Multiple Choice

What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.50 M HCl? K_a = 3.0 × 10^-8 for HOCl.

• A)0.30
• B)3.18
• C)3.76
• D)4.03

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Definitions:

Williamson Ether Synthesis

A method for preparing ethers by reacting an alkoxide ion with a primary alkyl halide or tosylate under basic conditions.

Propoxycyclohexane

An organic compound featuring a cyclohexane ring with a propoxy substituent attached to it.

Synthesis Shown

This term is unclear out of context but generally refers to the depiction or explanation of a chemical synthesis process.

Necessary Reagents

Specific substances or chemicals required to carry out a chemical reaction.