Mole Conversions Practice

How many moles are in 16.9g of water?

• 16.9 mol H₂O

• 305. mol H₂O

• .938 mol H₂O

• 1.06 mol H₂O

Tags

NGSS.HS-PS1-7

What is the mass of 0.89 mol of CaCl₂?

• 111 grams

• 0.008 grams

• 111.1

• 99 gram

What volume is occupied by 10 moles of ammonia, NH₃, at standard conditions?

• 6 x 10²⁴ liters 
• 170 liters
• 224 liters
• 32.4 moles

How many moles of methane gas molecules, CH₄, are in 11.2 liters of methane at standard conditions?

• 11.2 moles 
• .5 moles
• 179.2 moles
• 27.2 moles

How many formula units(particles) are in 9.44 moles of AlCl₃?

• 5.68 formula units

• 5.68x10²⁴ formula units

• 0.705 formula units

• 1.25x10²³ formula units

How many molecules are in 2.5 mol of NaCl?

• 1.51x10²³
• 146
• 4.15
• 1.51x10²⁴

Tags

NGSS.HS-PS1-7

How many molecules are in 9.4 moles of AlCl₃?

• 5.66
• 5.66x10²⁴
• 0.705
• 1.25x10²³

Tags

NGSS.HS-PS1-7

Fluorine is diatomic.  What is the molar mass of fluorine gas?

• 18.998 g/mol
• 37.996 g/mol
• 9 g/mol
• 18 g/mol

What is Avogadro's Number?

• 6.022 x 10²³

• 6.2 x 10³

• 6.022

• 6.0

How many moles are in 6 x 10²³ molecules of H₂O?

• 1
• 2
• 6
• 600

Tags

NGSS.HS-PS1-7