Acid Formulas and Properties

The video tutorial explains how to write chemical formulas for acids based on their names. It covers the rules for naming binary acids, such as hydrochloric and hydrofluoric acids, and oxyacids like nitric and sulfuric acids. The tutorial also discusses the role of H+ ions in acids and how to balance charges when writing formulas. Examples include hydrochloric acid (HCl), hydrofluoric acid (HF), nitric acid (HNO3), sulfuric acid (H2SO4), phosphoric acid (H3PO3), chlorous acid (HClO2), and perchloric acid (HClO4). The video concludes with a reminder to practice these rules.

What is the first step in writing the formula for hydrochloric acid?

• Balance the charges

• Write Cl

• Write H

• Find the charge of chlorine

Which element's ion charge is similar to chlorine's when writing the formula for hydrofluoric acid?

• Nitrogen

• Fluorine

• Oxygen

• Sulfur

What do acids release in water?

• H+ ions

• Na+ ions

• OH- ions

• Cl- ions

What is the correct formula for nitric acid?

• HNO2

• HNO3

• H2NO3

• H2NO2

Which ion is used to write the formula for sulfuric acid?

• Sulfate ion

• Sulfite ion

• Sulfur ion

• Sulfurous ion

How many hydrogen atoms are needed to balance the charge in sulfuric acid?

• Four

• Three

• Two

• One

What is the stem used for phosphoric acid?

• Phosphor

• Phosph

• Phos

• Phosphite

What is the formula for phosphoric acid?

• H2PO4

• H2PO3

• H3PO3

• H3PO4

What is the ion formula for chlorite used in chlorous acid?

• ClO3-

• ClO4-

• ClO2-

• ClO-

What is the correct formula for perchloric acid?

• HClO3

• HClO4

• HClO2

• HClO