Calculating Molar Mass and Moles in Chemistry

What is the purpose of using the periodic table in the calculation of moles?

• To understand the chemical bonding

• To look up the electron configuration

• To find the atomic number of elements

• To determine the molar mass of elements

What does one mole of a substance represent?

• The number of atoms in 12 grams of carbon-12

• The volume of the substance in liters

• The number of particles equivalent to Avogadro's number

• The mass of the substance in grams

What is the significance of Avogadro's number in mole calculations?

• It represents the number of molecules in a liter

• It is used to calculate the density of a substance

• It represents the number of particles in one mole of a substance

• It determines the boiling point of the substance

How many carbon atoms are used in the calculation of glucose's molar mass?

• 1

• 18

• 12

• 6

What is the molar mass of hydrogen used in the calculations?

• 12.01 grams per mole

• 1.008 grams per mole

• 6.00 grams per mole

• 16.00 grams per mole

What element has a molar mass of 16.00 grams per mole as used in the video?

• Nitrogen

• Oxygen

• Carbon

• Hydrogen

How many times is the molar mass of hydrogen considered in the glucose formula?

• 6 times

• 1 time

• 12 times

• 18 times

How is the mass of glucose converted for mole calculation?

• From milligrams to grams

• From kilograms to grams

• From kilograms to milligrams

• From grams to kilograms

What is the final calculated number of moles of glucose?

• 8.44 moles

• 1.008 moles

• 180.16 moles

• 12.01 moles

What is the first step in converting the mass of glucose for mole calculation?

• Multiply by Avogadro's number

• Divide by the molar mass

• Calculate the atomic mass

• Convert kilograms to grams