[tex]density = mass \: volume 1592 = mass 0- 1785 :. \\ \\ \\ mass : 1592 × 0.1785 284- 172 284 . 2 kq ". \\ \\ \\ mass \: of \: helium \: is 284.2
[tex]density=mass\:volume 1592 = mass 0-1785 :. \\ \\ \\ mass : 1592× 0.1785 284- 172 284 . 2 kq ". \\ \\ \\ mass \: of \: helium \: is 284.2[/tex]