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According to S.I. the system, ______ was used to measure the amount of substance.

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in Chemistry – Class 11 by (148k points)
According to S.I. the system, ______ was used to measure the amount of substance.

(a) mole

(b) weight machine

(c) weight

(d) mass

I have been asked this question in class test.

My question is taken from Mole Concept and Molar Masses topic in chapter Chemistry Basic Concepts of Chemistry – Class 11

1 Answer

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Best answer
Correct choice is (a) mole

The best I can explain: One mole is the amount of a substance that contains as many particles as there are atoms in exactly 12 g of the carbon atom. So S.I. the system took mole as the seventh base fundamental quantity (symbol = mol).

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