What important step does calcium methoxide facilitate? Is the calcium methoxide used up in the synthesis?

Mass of Graduated Cylinder Volume of Biodiesel Mass of G.C. + Biodiesel Mass of Biodiesel Density of Biodiesel pH of Biodiesel Presence of Intermediates? (y/n)

What important step does calcium methoxide facilitate? Is the calcium methoxide used up in the synthesis?

Based on your results, was there a complete synthesis of biodiesel in your reaction?