You would use a scale or a balance. You would then use a unit of mass such as milligrams or grams to express the answer.
Grams.
Kilogram
Pounds.
Pound or ounces.
A balance is the correct tool to use to find the mass of an object.
No, you would not use a graduated cylinder to compare the mass of two objects, that would be silly. Graduated cylinders are only useful to measure volume, not mass. Mass is measured with a scale. Chemists usually use a triple beam balance.
Triple-beam balance.
For the volume you can use a small graduated cylinder. For the mass you can use an analytical balance.
we will use salt
For volume, look up Archimedes' Principle. For mass, if you don't know this you should flunk.
Some instruments you can use to find the mass of an object are:Mass scaleTriple beam balance