Molar Mass Concept

The molar mass of an element is equal to its...

• Atomic mass

• Atomic number

• Oxidation number

• Valence electrons

The mass of one mole of substance is called...

• molecular mass

• mole constant

• molar mass

• atomic weight

What is the molar mass of sodium?

• 11

• 23

• 45.98

• 3

What is the molar mass of fluorine gas?
(beware!)

• 18.998 g/mol

• 38 g/mol

• 9 g/mol

• 18 g/mol

Tags

NGSS.MS-PS1-1

What is the mass of one mole of aluminum?

• 27 g

• 13 g

• 54 g

• 14 g

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol

• 35.453 g/mol

• 22.990 g/mol

• 58.443 g/mol

What is the molar mass of NaOH?

• 40 g/mol

• 38.989 g/mol

• 23.998 g/mol

• 57.004 g/mol

What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)?

• 62.435g

• 116.399g

• 133.341g

• 97.888g

What is the molar mass of CO₂?

• 12

• 16

• 32

• 44

What is the definition of molar mass?

• number of grams per one mole of a substance

• whole number ratio that is a multiple of a chemical formula

• simplest, whole number ratio of a chemical formula

• 6.02 x 10^23 particles per one mole of a substance