A calorimeter.
What can measure only one quantity of liquid?
To measure a physical quantity correctly and need to compare it with some standard quantities. Thus a standard unit is needed to measure a quantity correctly.
You have not specified the quantity of water. You cannot measure one fifth of an unspecified quantity.
Newtons :)
Mass
acceleration
to measure a quantity
Newtons :)
The measure of the quantity of matter in an object is called mass. Mass is commonly measured in units such as kilograms or grams.
The quantity for kilogram is mass. It is a unit used to measure the amount of matter in an object.
The quantity of matter can be measured using mass as a quantitative measure. Mass is a measure of the amount of matter in an object and can be measured using a balance or scale. The SI unit for mass is the kilogram.
Depending how you interpret "quantity of matter", that can refer either to the mass (expressed in kilograms), or the number of moles.