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Ch. 2 The Chemistry of Life
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 2, Problem 14

A salt is:
a. a metal cation bonded to a nonmetal anion.
b. a hydrogen ion donor.
c. an electrolyte that conducts electricity in water.
d. Both a and c are correct.
e. Both b and c are correct.

Verified step by step guidance
1
Step 1: Understand the definition of a salt in chemistry. A salt is typically formed when a metal cation (positively charged ion) bonds with a nonmetal anion (negatively charged ion) through ionic bonding.
Step 2: Recall that salts, when dissolved in water, dissociate into their respective ions. These ions allow the solution to conduct electricity, making salts electrolytes.
Step 3: Analyze the options provided in the question. Option (a) describes a salt as a metal cation bonded to a nonmetal anion, which aligns with the definition of a salt. Option (c) states that salts are electrolytes that conduct electricity in water, which is also true.
Step 4: Evaluate the combined options. Option (d) states that both (a) and (c) are correct, which matches the characteristics of a salt.
Step 5: Eliminate the other options. Option (b) describes a hydrogen ion donor, which is the definition of an acid, not a salt. Option (e) combines (b) and (c), which is incorrect because salts are not hydrogen ion donors.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Definition of Salt

A salt is typically defined as an ionic compound formed from the neutralization reaction of an acid and a base. It consists of a metal cation and a nonmetal anion, which together create a stable crystalline structure. This definition is crucial for understanding the options presented in the question.

Electrolytes

Electrolytes are substances that dissociate into ions when dissolved in water, allowing the solution to conduct electricity. Salts are common electrolytes, as they break down into their constituent ions in aqueous solutions, making them essential for various biological and chemical processes.

Acid-Base Chemistry

In acid-base chemistry, acids are defined as proton donors (hydrogen ion donors), while bases are proton acceptors. This concept is important for understanding the formation of salts, as the reaction between an acid and a base results in the production of a salt and water, highlighting the relationship between these chemical species.