$6.022 imes 10^{22}$

$1.806 imes 10^{23}$

$6.022 imes 10^{23}$

$1.806 imes 10^{24}$

0.5 g of Li

0.5 g of Na

0.5 g of K

0.5 g of Rb

8.5%

17%

4.25%

12.75%

$8g\,C{H_4}$

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

$25g\,CaC{O_3}$

$28g\,CO$

$0.034{\rm{ }}\%$

$27.27{\rm{ }}\%$

$3.4{\rm{ }}\%$

$28.7{\rm{ }}\%$

$M = 2.5 imes {\rm{VD}}$

$M = 2 imes {\rm{VD}}$

$M = 0.5 imes {\rm{VD}}$

$M = {\rm{VD}}$

$22.4\,\,{\rm{litre}}$

$11.2\,\,{\rm{litre}}$

$1.12\,\,{\rm{litre}}$

$2..24\,\,{\rm{litre}}$

$6.02 imes {10^{23}}$ atoms of H

4 g.atom of Hydrogen

$1.81 imes {10^{23}}$ molecules of $C{H_4}$

3.0 g of carbon

${\rm{1}}\,\,{\rm{g}}$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 $Li = {\rm{ 7}}$ ]

I < II < III < IV

IV < III < II < I

IV < II < III < I

I < III < II < IV

1 mol

0.5 mol

2 mol

18 mol