Stoichiometry of a Precipitation Reaction - Lab Report Assistant Exercise 1: Stoichiometry and a Precipitation Reaction nata Table 1. Stoichicinetry Walues: Questions: - A perfect percent yield would be 100k. Based on your results, deseribe your degree of accuracy and suigest possible sources of error. - What impact would adding twice as much asco, than required for stoichiametric quantities tave on the quanticy of product producrd? - Determine the quantity (e) of pure CaCh in 7.5.8 of CaCh2+3H2O - Determine the quantity (g) of pure MySO, in 2.4g of MgS,7M2O. - Conservation of mass was divcussed in the backeround. Describe how conservation of mass factual, not theoreticall could be checled in the experinent performed