Tristearin (molar mass $890$ g/mol) is saponified completely with NaOH (sodium stearate $306$ g/mol; NaOH $40$ g/mol; glycerol $92$ g/mol). Which statements are correct?

1. A$1.78\mathrm{kg}$ of tristearin needs $240\mathrm{g}$ of NaOH.
2. B$890\mathrm{g}$ of tristearin gives $918\mathrm{g}$ of sodium stearate.
3. CEach mole of tristearin consumes 3 mol of NaOH.
4. D$1.78\mathrm{kg}$ of tristearin gives $92\mathrm{g}$ of glycerol.