Select the Complete Ionic Equation for the Mixing of Sodium

question 41

Multiple Choice

Select the complete ionic equation for the mixing of sodium carbonate, Na2CO3, solution and calcium nitrate, Ca(NO3) 2, solution.

• A) Na₂CO₃(aq) + Ca(NO₃)2(aq)  CaCO₃(s) + 2NaNO₃(aq)
• B) 2Na+(aq) + CO₃2-(aq) + Ca2+(aq) + 2NO₃-(aq)  CaCO₃(s) + 2Na+(aq) + 2NO₃-(aq)
• C) CO₃2-(aq) + Ca2+(aq)  CaCO₃(s)
• D) 2Na+(aq) + CO₃2-(aq) + Ca2+(aq) + 2NO₃-(aq)  CaCO₃(s)

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Definitions:

Secondary Capillary

A term not commonly used in isolation to describe a specific type of capillary; generally, capillaries are the small blood vessels where gas and nutrient exchange occur.

Primary Capillary

The initial segment of the microcirculation system where exchange of gases, nutrients, and waste products occurs.

Neurohormones

Chemical messengers produced by neurons that are released into the bloodstream and affect distant target organs.

Hypothalamohypophysial Tract

The neural connection between the hypothalamus and the pituitary gland, involved in hormonal regulation.