A-Level Moles

The mass of one mole of substance is equal to...

• molecular mass

• mole constant

• molar mass

• atomic weight

Tags

NGSS.HS-PS1-7

What is the molar mass of sodium?

• 11

• 22.99

• 45.98

• 32.07

What is the molar mass of NaOH?

• 40.0 g/mol

• 38.989 g/mol

• 23.998 g/mol

• 57.004 g/mol

What is the mass of one mole of barium fluoride BaF₂ ?

• 137.33g

• 156.33g

• 175.33g

• 194.33g

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

What is the mass of one mole of Al₂(SO₄)₃?

• 75.04 g

• 342.17 g

• 75.04 mol

• 342.17 mol

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

How many moles are in 4.5x10²⁴ particles?

• 7.47 particles

• 7.47 mol

• 7.47x10⁴⁶ mol

• 2.71x10⁴⁷ particles

How many moles are in 7.31 x 10²² molecules of (NH₄)₃PO₄

• 44.0 moles

• 124.31 moles

• 0.12 moles

• 0.012 moles

Tags

NGSS.HS-PS1-7

How many moles of carbon atoms are there in 5g of carbon?

• 60 mol
• 17 mol
• 0.42 mol
• 7 mol