Sodium Thiosulfate Atom Calculations

The video tutorial explains how to calculate the number of atoms in sodium thiosulfate pentahydrate. It begins by identifying the number of atoms in sodium thiosulfate and then considers the water molecules surrounding it. The tutorial demonstrates how to calculate the total number of atoms in the compound and extends this to determine the number of atoms in one mole using Avogadro's number.

What is the main objective of the video?

• To explore the uses of sodium thiosulfate in industry

• To calculate the number of atoms in sodium thiosulfate pentahydrate

• To learn about the history of sodium thiosulfate

• To understand the chemical reactions of sodium thiosulfate

How many sodium atoms are present in sodium thiosulfate?

• Three

• Two

• Four

• One

What is the total number of atoms in sodium thiosulfate?

• Seven

• Eight

• Six

• Five

How many water molecules are associated with sodium thiosulfate in its pentahydrate form?

• Four

• Five

• Three

• Six

What is the total number of atoms in sodium thiosulfate pentahydrate?

• 18

• 20

• 22

• 24

How do you calculate the number of sodium atoms in one mole of sodium thiosulfate pentahydrate?

• Multiply by Avogadro's number

• Divide by Avogadro's number

• Subtract Avogadro's number

• Add Avogadro's number

How many hydrogen atoms are there in one mole of sodium thiosulfate pentahydrate?

• 15 * Avogadro's number

• 10 * Avogadro's number

• 20 * Avogadro's number

• 5 * Avogadro's number

What is the number of oxygen atoms in one mole of sodium thiosulfate pentahydrate?

• 10 * Avogadro's number

• 8 * Avogadro's number

• 5 * Avogadro's number

• 3 * Avogadro's number

Which element's atom count is multiplied by 2 to find its number in one mole of sodium thiosulfate pentahydrate?

• Oxygen

• Sulfur

• Sodium

• Hydrogen

What is the final topic discussed in the video?

• The history of sodium thiosulfate

• The chemical properties of sodium thiosulfate

• The number of atoms in sodium thiosulfate pentahydrate

• The uses of sodium thiosulfate