Calculate the PH of a Solution That Contains 7

question 152

Multiple Choice

Calculate the pH of a solution that contains 7.8 × 10^-6 mol L^-1 OH⁻ at 25 °C.

• A) 1.28
• B) 5.11
• C) 12.72
• D) 8.89
• E) 9.64

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Definitions:

Merchandise Balance of Trade

The difference in value between a country's merchandise exports and merchandise imports over a certain period.

Negative

In an economic context, this term often implies a deficit or a diminishing amount in financial accounts or outcomes.

Year

A period of time consisting of 365 days, or 366 in a leap year, used as a primary time unit in most calendar systems.

Trade Imbalance

A situation where the value of a country's imports significantly exceeds or is less than the value of its exports.