$2\mathrm{.}25$ A water$-$content test was made on a sample of

clayey silt. The weight of the wet soil plus container

was $18\mathrm{.}46g,$ and the weight of the dry soil plus

container was $15\mathrm{.}03g.$ Weight of the empty

container was $7\mathrm{.}63g.$ Calculate the water content of