1:1

2:3

3:2

4:3

Twice that in 60 g carbon

$6.023 imes {10^{22}}$

Half in 8 gr of He

$558.5 imes 6.023 imes {10^{23}}$

1g of butane $({C_4}{H_{10}})$

1g of Nitrogen $\left( {{N_2}} \right)$

1g of Silver $\left( {Ag} \right)$

1g of Water $\left( {{H_2}O} \right)$

1 g of $O_2$

1 g of $N_2$

1 g of $H_2$

1 g of $Li$

${\rm{1}}\,\,{\rm{g}}$of ${\rm{Ag}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Ag = {\rm{ }}108$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Mg}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Mg = {\rm{ }}24$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${{\rm{O}}_{\rm{2}}}\left( {\rm{g}} \right)$ [ Atomic mass of $O = {\rm{ 16}}$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Li}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Li = {\rm{ 7}}$ ]

$1g\,\,of\,C{O_2}\left( g \right)$

$1g\,of\,{C_8}{H_{18}}\left( l \right)$

$1g\,of\,{C_2}{H_6}\left( g \right)$

$1g\,of\,LiF\left( s \right)$

$8g\,C{H_4}$

$8g\,{C_6}{H_{12}}{O_6}$

$25g\,CaC{O_3}$

$28g\,CO$

${\rm{1}}\,\,{\rm{g}}$of ${\rm{Ag}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Ag = {\rm{ }}108$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Mg}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Mg = {\rm{ }}24$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${{\rm{O}}_{\rm{2}}}\left( {\rm{g}} \right)$ [ Atomic mass of $O = {\rm{ 16}}$ ]

${\rm{1}}\,\,{\rm{g}}$ of ${\rm{Li}}\,\left( {\rm{s}} \right)$ [ Atomic mass of $Li = {\rm{ 7}}$ ]