Question

¿cuál es la unidad estándar de medida de la masa en el sistema internacional de unidades (si)? a. kilogramo (kg) b. segundo (s) c. metro (m) d. mol (mol)

Explanation:

To determine the standard unit of mass in the International System of Units (SI), we analyze each option:

• Option A: The kilogram (kg) is defined as the base unit of mass in the SI system.
• Option B: The second (s) is the SI unit of time, not mass.
• Option C: The meter (m) is the SI unit of length, not mass.
• Option D: The mole (mol) is the SI unit of amount of substance, not mass.

So the correct option is A as it represents the standard unit for mass in SI.

Answer:

A. kilogramo (kg)