The following data were collected from the gravimetric analysis of a hydrated salt.Trial 1Trial 2Trial 3Mass of crucible and lid (g)19.43720..68718.431Mass of crucible, lid, and hydrated salt (g)21.62625.11122.167Mass of crucible, lid, and anhydrous salt (g)21.44124.70221.762Complete the following table. See Appendix B for determining the standard deviation and relative standard deviation for a set of data. Express all the calculated data with the correct number of significant figures.Trial 1Trial 2Trial 3Mass of hydrated salt (g)_______________Mass of anhydrous salt (g)_______________Mass of water lost (g)_______________Percent by mass of volatile water in hydrated salt (%)_______________Average percent H20 in hydrated salt (%H2O)_______________Standard deviation of % H20_____Appendix BRelative standard deviation of % H2O in hydrated salt (%RSD)_____Appendix B2. a. What is the percent by mass of water in iron (II) sulfate heptahydrate, FeSO4*7H2O for what percent of the molar mass of FeSO4*7H20 is due to the waters of crystallization)?b. What mass due to waters of crystallization is present in a 3.38-gram of FeSO4*7H2O?