RELATIVE MOLECULAR MASS

The relative molecular mass of a compound is equal to the sum of its

• Atomic mass
• Atomic number
• Oxidation number
• Valence electrons

What is the atomic mass of magnesium?

• 2
• 4
• 12
• 24

Work out relative molecular mass of H₂O₂.

Mathematical Equivalence

ON

Work out relative molecular mass of O₃.

Mathematical Equivalence

ON

Work out relative molecular mass of SO₃.

Mathematical Equivalence

ON

Calculate the relative formula mass of

aluminium sulphate, Al₂(SO₄)₃

[Relative atomic mass:

O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]

Mathematical Equivalence

ON

What is the relative formula mass of NaOH?

Mathematical Equivalence

ON

Calculate the relative formula mass of

copper (ii) chloride, CuCl₂

[Relative atomic mass: Cl = 35.5 ; Cu = 64 ]

Mathematical Equivalence

ON

What is the relative formula mass of ammonium nitrate, NH₄NO₃ ?

[Relative atomic mass: N, 14; H, 1; O, 16]

Mathematical Equivalence

ON

What is the relative molecular mass of fluorine gas, F₂?

Mathematical Equivalence

ON