A student adds a few drops of phenolphthalein to a clear solution and it imediately turns pink (fuschia). Next, the student starts adding a second clear solution to the pink soluton and it slowly turns back to a clear colorless solution. What was the identity of the second solution that was added?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?