An investigator can collect hairs they observe visually (with tweezers or by hand), and they can also use clear tape to lift non-visible hair from a variety of surfaces, such as clothing. Other methods of hair sample collection include combing and clipping methods.
Answer:
The empirical formula is the simplest ratio of atoms while molecular is the actual formula.
Explanation:
Empirical Formula is the simplest ratio of atoms present in the compound.
The molecular formula shows the actual number of atoms present in the compound.
For example, CH is the empirical formula and C6H6 is the molecular formula of benzene.
In acidic solutions you have H+ but in basic solutions you have OH-.
You need know that for to balance the reaction.
The water evaporates into the clouds
