Balancing Chemical Equations Concepts

This video tutorial demonstrates how to balance the chemical equation for zinc chloride reacting with sulfuric acid. It begins by counting the atoms on both the reactant and product sides of the equation. The tutorial then explains how to balance the equation by adjusting the coefficients, specifically doubling the chlorine and hydrogen atoms. The video concludes with the final balanced equation and a brief summary.

What is the initial number of chlorine atoms on the reactant side of the equation?

• Four

• Three

• Two

• One

What is the sulfate ion represented as in the equation?

• SO3

• SO4

• SO2

• SO5

How many zinc atoms are present on the product side of the equation initially?

• Three

• Four

• Two

• One

What coefficient is added in front of HCl to balance the equation?

• 1

• 2

• 3

• 4

After balancing, how many hydrogen atoms are there on the reactant side?

• One

• Two

• Three

• Four

What is the final number of chlorine atoms on the product side after balancing?

• One

• Four

• Two

• Three