mole volume molecule practice

What is the mass of two moles of propane gas, C₃H₈?

• 44g

• 22g

• 11g

• 88g

How many moles of propane gas, C₃H₈, are contained in 11 grams of the gas at standard conditions?

• 11 x 10²³ moles

• 0.25 moles

• 1.5 x 10²³ moles

• 484 moles

What is the mass in grams of 3 moles of water molecules, H₂O?

• 6g

• 54g

• 21g

• .16g

What is the mole used for? 

• To measure the amount of grams in a substance
• To measure the amount of atoms or molecules in a substance
• To measure the amount of energy in a substance
• To measure the amount of bonding in a substance 

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

Tags

NGSS.MS-PS1-1

Where do you look to calculate the molar mass?

• avogadros number
• periodic table 

Tags

NGSS.HS-PS1-1

A container with a volume of 893 L contains how many moles of air at STP?

• 20003.2 L
• 39.9 L
• 22.4 L
• none of the choices

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1304 x 10²⁴
• 8.638 x 10^-24