Physics, asked by ayanmohkmr, 18 days ago

Calculate the following?
a. Number of moles of 52g of He
b. Molecular mass of HNO:
c. Mass of 5 moles of N atoms (atomic mass H=lu,N=140,0=160, H =4u)

Answers

Answered by zfaiqah8
0

Answer:

Molar mass of Helium =4g

The given mass of Helium =52g

Thus the number of moles of Helium =givenmass/molarmass

=52/4

=13

Answered by mariolalitha1914
0

Answer:

a) The correct answer is 13. The number of moles in 52 g of He is 13.

b) 63.01 g/mol

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