Question
When sulphur trioxide reacts with sodium hydroxide.
✓
Answer
When sulphur trioxide reacts with sodium hydroxide, it forms sodium sulphate and water.
$
\begin{aligned}
& SO _{3( g )}+2 NaOH _{( aq )} \longrightarrow Na _2 SO _{4( aq )}+ H _2 O _{(t)} \\
& \text { Sulphur Sodium Sodium Water } \\
& \text { trioxide hydroxide sulphate } \\
&
\end{aligned}
$
$
\begin{aligned}
& SO _{3( g )}+2 NaOH _{( aq )} \longrightarrow Na _2 SO _{4( aq )}+ H _2 O _{(t)} \\
& \text { Sulphur Sodium Sodium Water } \\
& \text { trioxide hydroxide sulphate } \\
&
\end{aligned}
$
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