Answer: An island.
"A piece of land surrounded by water"
The concentration of NaOH is 25.00% by mass, it means that 25.00% of the mass of the solution is of NaOH. Hence:
Answer:
Explanation:
1. NaCl Sodium Chloride
2. KI Postassium Iodide
3. MgF2 Magnesium Flouride
4.MgO Magnesium Oxide
5. Na2O2
B. A pure substance made up of one type of atom