Question

No. of moles
n
m
M
-
Given mass
Molar mass
Given number of particles
Avogadro number of particles
= EEZ 2
N
N
0
4 u
Atomic mass of He
Molar mass of He
4g
Thus, the number of moles
given mass
molar mass
m 52
n=-= = 13
M 4
D
we know.
1 mole = 6.022 x 1023
The number of moles
given number of particles
Avogadro number
N
12.044x102
6.022 x 10
2
-
N​

Answer 1

Answer:

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