Question

the distance between the hydrogen atom and the fluorine atom in a hydrogen fluoride (HF) molecules is 0.92 Armstrong. the mass of hydrogen atom is 1 a. m. u. and mass of fluorine atom is 19.a.m.u.the position of the centre of mass of the hydrogen flouride molecule is??

1.0.5 Armstrong from chlorine atom
2.0.87 Armstrong from hydrogen atom
3.0.87 Armstrong from fluorine atom
4. 0.5 Armstrong from hydrogen atom ​

Answer 1

3.0.87 Armstrong from fluorine atom

because mass of the flourine atom is greater