10 Questions
Which unit is used to measure the amount of substance in the International System of Units?
Mole
What is the value of the Avogadro constant NA as defined since 2019?
6.02214076×1023 mol−1
What is the ratio that defines the amount of substance (n) in chemistry?
n = N/NA
What is the amount of sodium chloride denoted as?
nNaCl
What was the mole historically defined as?
The amount of substance in 12 grams of the carbon-12 isotope
Which of the following entities can be considered as elementary entities in chemistry?
Elements
What is the unit of amount of substance in the International System of Units?
Mole
What is the chemical amount referred to as, informally, in a given sample of matter?
Number of moles
What was the mole historically defined as?
The amount of substance in 12 grams of carbon-12 isotope
What is the value of the Avogadro constant NA as defined since 2019?
6.02214076×10^23 mol^-1
Test your knowledge of chemistry's amount of substance concept with this quiz! Learn about the Avogadro constant, elementary entities, and how to calculate the amount of a specific substance.
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