Moles to Mass and Mass to Moles

Determine the number of moles in 222 g of CaCl₂ (GFM = 111 g/ mol)

• 1 mol

• 2 mol

• 0.5 mol

• 4 mol

Tags

NGSS.HS-PS1-7

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

• 3 moles

• 1200 moles

• 0.333 moles

• 60 moles

How many grams are in 7.8 moles of NaCl?

• 476 grams

• 460 grams

• 452 grams

• 462 grams

How many moles is 16 g of Oxygen?

• 1 mol

• 2 mol

• 0.5 mol

• 4 mol

• 

What is the mass of 2.50 mole of oxygen gas O₂?

• 40 g

• 80 g

• 16 g

• 32 g

How many grams are in 3.30 mol of potassium sulfide?

• 363 g

• 454 g

• 238 g

• 132 g

Tags

NGSS.HS-PS1-7

Which of the following dimensional analysis setups will correctly convert 27.76 g of Li to atoms of Li?

• A

• B

• C

• D

If you need to complete the following calculation, how would you set it up?

How many moles are in 36 grams of Lithium?

b

c

d

e

moles

grams

molar mass

1 mole

Avogadro's Number

Calculate the number of atoms in 0.0340 g Zn.

• 5.20 x 10^-4 atoms Zn

• 3.13 x 10²³ atoms Zn

• 3.13 x 10²⁰ atoms Zn

• 2.05 x 10²² atoms Zn

Tags

NGSS.HS-PS1-7

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

• molecular mass

• mole constant

• molar mass

• atomic weight