What Is the PH of an Aqueous Solution That Is

question 115

Multiple Choice

What is the pH of an aqueous solution that is 0.20 M HNO₂ (K_a = 4.3 * 10^-4) and 0.20 M NaNO₂?

• A) 3.67
• B) 2.37
• C) 3.37
• D) 4.39
• E) 10.63

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Definitions:

IQ Tests

Standardized assessments designed to measure human intelligence and cognitive abilities, often used in educational and psychological contexts.

Mean IQ

The average score derived from a set of IQ test results, typically centered around a standard value which is set to 100 in many scoring systems.

IQ Tests

IQ Tests are standardized assessments designed to measure human intelligence and cognitive abilities in relation to others.

Flynn Effect

The observed substantial and long-term increase in intelligence test scores measured across the world over the 20th century.