Question

Determine the relative formula mass of dihydrogen monoxide using the periodic table below.

Answer 1

The relative atomic mass of dihydrogen monoxide is 18g/mol

• Dihydrogen monoxide is a molecule containing two atoms of hydrogen and one atom of oxygen i.e. H2O. It is widely regarded as WATER

• To calculate the relative atomic mass of dihydrogen monoxide (H2O), we make use of the atomic mass of each element.

According to the periodic table:

Where; H = 1g/mol and O = 16g/mol

H2O = 1(2) + 16

= 2 + 16

= 18g/mol

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