Moles (9c)

Question 1

Avogadro constant number

Answer 1

6.02 x 10²³ (23rd October@6.02)

Question 2

SI unit symbol for mole

Answer 2

mol

Question 3

Mass of one mole of a substance

Answer 3

Its atomic mass/relative formula mass

Question 4

Number of moles of substance =?

Answer 4

Mass of substance(g) / Atomic mass or relative formula mass

Question 5

Limiting reactant

Answer 5

The excess reactant which isn’t used completely in a chemical reaction