Nitrous acid
= Nitrous acid
{title2=$\mathrm{HNO_2}$}
<Nitrous acid> is $\mathrm{HNO_2}$, the protonated counterpart of <nitrite>. Its nominal <relative molecular mass> is 47.
= Nitrous acid
{title2=$\mathrm{HNO_2}$}
<Nitrous acid> is $\mathrm{HNO_2}$, the protonated counterpart of <nitrite>. Its nominal <relative molecular mass> is 47.