Mole Calculations

How many molecules are in 1 mole of chlorine (Cl₂)?

• 6.02x10²³

• 6.02x10²⁴

• 4.21x10²⁵

• 4.21x10²³

How many molecules are in 6 mole of H₂SO₄?

• 6.02x10²³

• 6.02x10¹³⁸

• 5.90x10²⁵

• 3.61x10²⁴

A compound has a mass of 109.5g and 3 moles. What is the relative formula mass of this compound? _{Give your answer to 1d.p}

Tags

NGSS.HS-PS1-7

A bag of fertiliser contains 14.52 kg of ammonium nitrate (NH₄NO₃). Calculate the number of moles of ammonium nitrate in the bag of fertiliser.

_{Give your answer to 1d.p}

Tags

NGSS.HS-PS1-7

If you have 3 moles of sodium chloride (NaCl), how many formula units do you have?

How many atoms are in 2 moles of helium (He)?

• 18 g

• 36 g

• 72 g

• 144 g

An aspirin tablet contains 300 mg of acetylsalicylic acid. Calculate the number of moles of acetylsalicylic acid in one aspirin tablet. (Relative formula mass (M_r) of acetylsalicylic acid = 180)

_{Give your answer to 3s.f}

How many moles in 478.5g of CuSO₄?

How many moles in 510g of Al₂O₃?