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Question
Write the chemical formula of the following compound in a step-by-step manner –
Sodium bisulphate
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Solution
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 \[\ce{NaHSO4}\]
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