Sagot :
no. of moles = given mass/atomic mass
= 452/40
= 11.3.
Thus, there are 11.3 moles
= 452/40
= 11.3.
Thus, there are 11.3 moles
nó of moles =given mass/molar mass
no of moles=452/39.9
therefore no of moles=11.3moles
no of moles=452/39.9
therefore no of moles=11.3moles