Question

Write the chemical formula of the following compound in a step-by-step manner –

Sodium bisulphate

Answer 1

Write the formula of

Sodium bisulphate	Symbol	valency
Sodium	\[\ce{Na}\]	\[\ce{1^+}\]
Bisulphate	\[\ce{HSO4}\]	\[\ce{1^-}\]

Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Na}^{1+}\]  \[\ce{[HSO4]}^{1-}\]
Step II – Interchange the valencies and ignoring signs.

The Formula is \[\ce{NaHSO4}\]