Which of the following units is not an official SI unit? mole liter kilogram ampere

The correct answer is a liter.

The SI or the International System of Units illustrates seven measuring units as a fundamental set from which all the other SI units can be obtained. The SI base units and their physical quantities are the kilogram for mass, the meter for measurement of length, the ampere for electric current, the second for time, the candela for luminous intensity, the Kelvin for temperature, and the mole for the amount of substance.

Answer: a Liter

Which of the following mass units is the largest? A. 1 mg B. 1 dg C. 1 ng D. 1 cg. A. Which of the following units is NOT an official SI unit? A. Liter B. Kilogram C. Ampere D. Mole. D. When a test instrument is calibrated, does its accuracy, precision, or reliability improve? ... What is the SI unit of mass? A. Kilogram B. Liter C. Candela