CREATE TABLE table_71346 ("Molecule" TEXT, "Percent of Mass" TEXT, "Mol.Weight  ( daltons ) " TEXT, "Molecules" TEXT, "Percent of Molecules" TEXT)

what is the mol.weight (daltons) when the percent of mass is 1.5?
SELECT "Mol.Weight (daltons)" FROM table_71346 WHERE "Percent of Mass" = '1.5'
SELECT "Mol.Weight (daltons)" FROM "table_71346" WHERE "Percent of Mass" = '1.5'