Question

260 gram of HNO3 is _____ no of molecules..

Answer 1

Explanation:

260 gram of HNO3 is 4.126 no of molecules..

Answer 2

Answer:

1 mol= 6 (10*23) molecules= 63 g HNO3

260 gm= 260/63 mol= 4.12 mol

1 mol has 6(10*23)= Avogadro number of molecules

Therefore 4.12 mol will have [ 4.12 ( Avogadro number of molecules) ]

= 24.72( 10*23)