Question

Calculate the mass of 2x10^10 molecules of nitrogen gas?

Answer 1

Answer:

n= N/No

n= 2×10^10/(6.022×10^23 or 6 ×10^23)

n= 3.3×10^-13

n=m/M

m= n×M. (N2 = 14×2 =28)

m= 3.3×10^-13 ×28

m=9.24×10^-13

{"TOOFANI"}

Answer 2

Answer:

yes the first one is true, I was alsoo finding this solution for my chemistry test

Explanation: