Question

A student combined two colorless aqueous solutions. One of the solutions contained Na2CO3 as the solute and the other contained HCl . The chemical reaction that took place is represented by the equation above. What experimental result would be evidence that a chemical reaction took place when the solutions were combined

Answer 1

Answer:

Bubbles will be formed when two solutions will be combined.

Explanation:

When the solution containing $Na_{2}CO_{3}$ and $HCl$ as a solute will be combined, the reaction will be as follows,

$Na_{2}CO_{3}(aq) + 2HCl(aq) \rightarrow 2NaCl(aq)+ H_{2}O(l)+CO_{2}(g)$

As a result of combination of the two solutions bubbles will be formed which will depict the evolution of carbon dioxide gas.