Molar concentration = (numbet of mol Solute)/ ( volume Solution)
1) Finding
the number of the mol solute


A - Sulfur dioxide is an ion because it contains 2 or more elements, and it is a solid
In math it’s just horizontal in science it’s periods
Answer:
C) They are not made of matter.
Explanation:
Case in which protons are inside of neutrons doesn't exist.