Zinc Chloride and Atomic Counts

The video tutorial explains how to determine the number of atoms in zinc chloride (ZnCl2). It begins by identifying the elements in ZnCl2, which are zinc (Zn) and chlorine (Cl), and explains that the subscript indicates the number of atoms. The video then calculates the total number of atoms in ZnCl2, which is three. It further explores how to find the number of zinc and chlorine atoms in one mole of ZnCl2 using Avogadro's number. The tutorial concludes with a summary of the calculations and findings.

What is the total number of atoms present in a single molecule of ZnCl2?

• Five

• Two

• Three

• Four

How many zinc atoms are there in one mole of ZnCl2?

• Avogadro's number

• Two

• One times Avogadro's number

• One

To find the number of zinc atoms in one mole of ZnCl2, what should you multiply by Avogadro's number?

• Four

• Two

• Three

• One

How many chlorine atoms are there in one mole of ZnCl2?

• One times Avogadro's number

• Two times Avogadro's number

• Four times Avogadro's number

• Three times Avogadro's number

What is the correct method to calculate the number of chlorine atoms in one mole of ZnCl2?

• Multiply one by Avogadro's number

• Multiply two by Avogadro's number

• Multiply four by Avogadro's number

• Multiply three by Avogadro's number

What is the chemical formula for zinc chloride?

• ZnCl

• ZnCl2

• Zn2Cl2

• Zn2Cl