Cambridge IGCSE Chemistry practice

Paper 3 structured question: Relative masses of atoms and molecules

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Relative masses of atoms and molecules

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Paper 3Theory (Core)1 marks

Calculating molecular mass is a fundamental skill in chemistry.

Description

Calculate the relative molecular mass of carbon dioxide (CO2).

a
State the relative molecular mass of CO2.
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Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)1 marks

Description

Calculate the relative formula mass of sodium chloride (NaCl).

a
State the relative formula mass of NaCl.
Your answer
Aim for approximately 1 distinct marking point.
[1]