Answer:
4
Explanation:
in (C2H2O2)2 there are 4 hydrogen atoms
energy <---------------------
Fractional distillation<span> is essentially the same as </span>simple distillation<span>except that a fractionating column is placed between the boiling flask and the condenser. The fractionating column is usually filled with glass or plastic beads. These beads improve the separation between the liquids being </span>distilled<span>.</span>
Answer:
polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end.
mass is the answer 110% sure hope this helps
please mark brainliest
