Molecular Mass

What is the relative atomic mass of sodium?

• 11
• 23
• 46
• 64

What is the relative molecular mass of fluorine gas, F₂?

• 19
• 38
• 9
• 18

What is the relative formula mass of NaOH?

• 20
• 39
• 40
• 45

Find Atomic Mass: What is the mass of one mole of Lithium (Li)?

• 6.9 grams

• 14.0 grams

• 22.9 grams

• 56.9 grams

Find Molecular Mass: Calculate the mass of one mole of CO₂ (carbon dioxide).

• 18.0 grams

• 44.0 grams

• 14.0 grams

• 180.0 grams

Tags

NGSS.HS-PS1-7

AgF....

• is an element because it has 2 different types of atoms.

• is a compound because it has 2 different types of atoms.

• is a compound because it has 2 of the same types of atoms.

• is an element because it has 2 of the same types of atoms.

Tags

NGSS.MS-PS1-1

How many atoms of NITROGEN are in S(NH₄)₂ ?

• 0

• 1

• 2

• 4

Tags

NGSS.MS-PS1-1

Calculate the molecular mass of PbSO₄.

• 207 amu

• 32 amu

• 303 amu

• 1,020 amu

Calculate the molecular mass of Na₃PO₄.

• 164 amu

• 133 amu

• 257 amu

• 170 amu

Tags

NGSS.HS-PS1-7

Calculate the molecular mass of Zn(C₂H₃O₂)₂.

• 185 amu

• 180 amu

• 183 amu

• 179 amu

Tags

NGSS.HS-PS1-7