The Balanced Net Ionic Equation for Precipitation of CaCO₃ when

question 146

Multiple Choice

The balanced net ionic equation for precipitation of CaCO₃ when aqueous solutions of Na₂CO₃ and CaCl₂ are mixed is .

• A) Na⁺ (aq) + Cl^- (aq) - NaCl (aq)
• B) 2Na⁺ (aq) + CO₃^2- (aq) -Na₂CO₃ (aq)
• C) Ca²⁺ (aq) + CO₃^2- (aq) - CaCO₃ (s)
• D) Na₂CO₃ (aq) + CaCl₂ (aq) - 2NaCl (aq) + CaCO₃ (s)
• E) 2Na⁺ (aq) + 2Cl^- (aq) - 2NaCl (aq)

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Definitions:

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is essential for most forms of life and is the most widely used solvent.

Works Against Gravity

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Water Cycle

The continuous process by which water moves from the Earth's surface to the atmosphere and back, involving processes like evaporation, condensation, precipitation, and infiltration.

Transpiration

The process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released into the atmosphere.