In a similar experiment, unlabeled 4-butanolide was allowed to stand in an acidic solution in which the water had been labeled with 180. when the lactone was extracted from the solution after four days, it was found to contain 180. which oxygen of the lactone do you think became isotopically labeled?

In an oxidation-reduction reaction, oxidation is what happens when a reactant

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.