For HClO₂, Ka = 1

question 22

Multiple Choice

For HClO₂, Ka = 1.2 × 10^-2. What is the pH of a solution in which [NaClO₂] = 0.193 M and [HClO₂] = 0.203 M?

• A) 3.32
• B) 0.11
• C) 1.92
• D) 1.94
• E) 1.90

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Definitions:

NSF Cheque

A cheque that cannot be processed because the account it is drawn on does not have sufficient funds, standing for "Non-Sufficient Funds."

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Checks that have been written and recorded in the issuing company's ledger but have not yet been cashed or cleared by the bank.

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It represents the amount of money in a company’s bank account, according to the bank's records.

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Checks that are printed in advance with sequential numbers to help maintain an audit trail and manage financial transactions securely.