Stoichiometry moles to mass

What is a mole?

• An animal that digs in the ground

• A counting term equal to a dozen

• A counting term describing a large number of things

• Equal to one molecule

6.022 x 10²³ indicates

• A Number

• Avocado's number

• Al's numbert

• Avogadro's Number

Tags

NGSS.HS-PS1-7

In solving a mass-mass (gram to gram) conversion, it is necessary to convert to the given mass to moles.

• true

• false

What the are units for molar mass?

• grams/mole

• atoms/mole

• grams/atoms

• mloes/atom

What is the molar mass for oxygen gas (O₂)?

• 16 g/mol

• 32 g/mol

• 14 g/mol

• 15.999g/mol

What is the molar mass for water (H₂O)?

• 33 g/mol

• 14.32 g/mol

• 2.02 g/mol

• 18.02 g/mol

The relationship between two units being converted is called the

• relationship factor

• theoretical factor

• conversion factor

• equivalence factor

What is the conversion factor between mole and atoms?

• 1 mole = 6.022 x 10²³ atoms/particles

• 1 atom = 6.022 x 10²³ moles

• 1 mole = molar mass of the given substance

• 1 gram of the substance = molar mass of the substance

What is the conversion factor between mole and grams?

• 1 mole = 6.022 x 10²³ grams

• 1 gram of the substance = molar mass of the substance

• 1 atom = 6.022 x 10²³ moles

• 1 mole = 6.022 x 10²³ atoms/particles

When balancing a reaction,

• we can add elements to the reaction

• We can change the coefficients

• We can change the subscripts

• We can change the subscripts