Answered: Chemistry Question

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Step 1

The ratio of mass of particular element to the total mass of the compound multiply by 100 is known as mass percentage.

When two soluble salts are combined to form insoluble salt is known as precipitation reaction.

Step 2

When silver nitrate reacts with sodium chloride then precipitate of silver chloride is formed.

The precipitation reaction is shown below:

$N a C l (a q) + A g N O_{3} (a q) \to A g C l (s) + N a N O_{3} (a q)$

The species which are present is shown below:

The ions which are present in initial mixture is Na⁺, Cl^- and NO₃^-. When excess silver nitrate is added, the chloride ions precipitate in the form of silver chloride. The only species left after the precipitate remove i.e. Na⁺, NO₃^-and AgCl(s)

Step 3

The balanced ionic reaction which produced solid is shown below:

$A g^{+} (a q) + C l^{-} (a q) \to A g C l (s)$