Moles to Mass

What the are units for molar mass?

• grams/mole

• atoms/mole

• grams/atoms

• mloes/atom

Tags

NGSS.HS-PS1-7

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

How many moles is 16 g of Oxygen?

• 1 mol

• 2 mol

• 0.5 mol

• 4 mol

• 

Determine the number of moles in 60 g of HF (GFM 20 g/mol)?

• 3 moles

• 1200 moles

• 0.333 moles

• 60 moles

Tags

NGSS.HS-PS1-7

What is the molar mass of NO₃?

• 28 grams

• 58 grams

• 62 grams

• 90 grams

Tags

NGSS.HS-PS1-1

• 18 g

• 36 g

• 72 g

• 144 g

Which statement best explains the relationship between the mass of a substance, and the number of particles and moles of that substance?

• The molar mass of a substance is equal to the number of particles of that substance

• One mole of a substance is equal to 6.02x10^23 grams of that substance

• The molar mass of a substance is equal to 6.02x10^23 molecules of that substance

• One mole of a substance is equal to 1 molecule of that substance

Tags

NGSS.HS-PS1-7

• 116.88 g

• 58.44 g

• 29.22 g

• 100 g

Tags

DOK Level 2: Skill/Concept

• 0.5 moles

• 1 mole

• 1.5 moles

• 2 moles

How many grams are in 7.8 moles of NaCl?

• 476 grams

• 460 grams

• 452 grams

• 462 grams