Question

in 0.40 moles of H2s calculate 1)no.of molecules of H2s2)no.of atoms of H and S

Answer 1

Avogadro no is 6.022×10^23. so 4moles of H2S is 2.409×10^23 molecules. Based on the formula there are 2Hand1S for each molecule .so 2.409×10^23 atoms of S and 4.818×10^23 atoms of H