Metal Carbonates Are Weak Bases

question 3

Multiple Choice

Metal carbonates are weak bases. They react with acids to release carbon dioxide. What does that mean regarding the metal ions that make up the carbonate salt?

• A) The amount of metal ion in solution stays the same as pH changes.
• B) The amount of metal ion in solution decreases as pH drops.
• C) The amount of metal ion in solution increases as pH drops.
• D) The amount of metal ion in solution depends on the strength of the acid.
• E) None of the above

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Definitions:

Pooled Estimator

A statistical method that combines estimates from different sources or samples to arrive at a more accurate or comprehensive estimate.

Population Proportion

Population Proportion represents the fraction or percentage of members in a population that exhibit a particular attribute or characteristic.

MPG

Stands for Miles Per Gallon, a measure to estimate the distance a vehicle can travel per gallon of fuel.

Pooled Estimator

A statistical method used to estimate the mean of two or more groups by assuming that they have the same variance.