A student has 470 0 mL of a 0 1246 M aqueous solution of Na

Last updated: 7/4/2023

A student has 470 0 mL of a 0 1246 M aqueous solution of Na CrO4 to use in an experiment She accidentally leaves the container uncovered and comes back the next week to find only solid residue The mass of the residue is 20 04 g Determine the chemical formula of this residue f the substance is a hydrate use a period instead of a dot in its formula