Question

The common unit of measuring volume is:
A. Milliliter
B. Litre
C. Cubic meter
D. Cubic decimeter

Answer 1

To answer this question, you should recall the concept of measurement of quantities and their SI units. The prefixes milli, centi, deci etc. are used as powers of 10 of the SI unit.

Complete step-by-step answer: Volume is defined as the physical quantity of 3D space enclosed by a closed surface, for example, the space that a substance or shape occupies or contains. The SI unit of volume commonly used is the cubic metre. The volume of a container usually refers to the capacity of the container which is the amount of fluid (gas or liquid) that the container could hold, rather than the amount of space the container itself displaces.
According to the SI system, the base unit for measuring length is the metre and volumes are thus measured in cubic metres. The common unit of measuring volume is a litre.

Hence, the correct option is B.

Note: The mole concept is an important component in the measurement of entities in a chemical compound. The concept that a mole of any substance contains the same number of particles was formed out of research which was conducted by Italian physicist Amedeo Avogadro. Avogadro constant can be defined as the number of molecules, atoms, or ions in one mole of a substance: $6.022 \times {10^{23}}$ per mol. It is derived from the number of atoms of the pure isotope $^{{\text{12}}}{\text{C}}$ in 12 grams of that substance and is the reciprocal of atomic mass in grams. Now the mole concept can also be applied to ions and formula units.