Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO 3) than the organic is a sedimentary rock composed largely of the minerals calcite and araganite.
Answer:
1. Molality.
2. Concentration.
3. Percent by mass.
4. Mole fraction.
Explanation:
Molarity is the measurement by which the number of moles is measured by a solute. The solution here is one liter respectively.
Concentration is the product which is emerged when the amount of the solute is divided by the amount o the solvent or solution.
Mole fraction refers to the number of component moles divided by the number of the solution moles.
B.5 as the electronic configuration is 2.5. 2 on the first shell abd 5 on the valency or most outer sgell.
B is the correct answer 9.0122