C3 AQA KKI

What is the atomic mass for carbon?

• 12
• 6
• 24
• 1

How many Chlorine atoms in MgCl2?

• 1
• 2
• 3
• 4

What is the formula mass for water (H2O)

• 18
• 3
• 16
• 34

What is the formula mass for carbon dioxide (CO2)

• 44
• 12
• 16
• 32

What is relative formula mass?

• The mass of of at atoms in an element or compound
• The mass of one atom
• The number of protons in a compound
• The number of electrons in a compound

What is avogadro's constant?

• 6.02 x 1023
• 6 x 1023
• 6.02 x 1018
• 6.02

What is avogadro's constant?

• How many atoms in one mole of something
• How many atoms in 10g
• How many protons in the nucleus

How many atoms would you find in 1 mole of it?

• 6.02 x 1023
• 6 x 1023
• 6.02 x 1018
• 6.02

How do you calculate the number of moles you have?

• Mass ÷ formula mass
• Mass x formula mass
• formula mass ÷ mass

How do you calculate the mass of something you have given moles and formula mass?

• Moles x formula mass
• Moles ÷ formula mass
• formula mass ÷ Moles