Formula Mass

NaCl

• 58.5
• 23
• 35.5
• 67.6

K₂S

• 110.3
• 110
• 78.2
• 110.2

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

Tags

NGSS.HS-PS1-7

What is the mass of LiCl₂

• 20

• 37

• 42.5

• 78

What is the mass of Br₂

• 35

• 70

• 80

• 160

What is the mass of Fe₂O₃

• 76

• 160

• 100

• 180

What is the mass of MgO

• 20

• 40

• 28

• 32

Tags

NGSS.HS-PS1-7

To find formula mass, you add all the ___________ of the compound

• Atomic masses

• Atomic numbers

• Oxidation numbers

• Valence electrons

What is the molar mass of C₂H₄O₂?

• 40g
• 50g
• 60g
• 68g

AuCl₃

• 96

• 130

• 232.5

• 303.3