$1.31 imes 10^3$ J/mol

$2.18 imes 10^{-20}$ J/mol

$1.31 imes 10^6$ J/mol

$8.21 imes 10^5$ J/mol

${M^1}{L^{ - 2}}{T^{ - 2}}$

${M^1}{L^{ - 3}}{T^{ - 2}}$

${M^1}{L^2}{T^{ - 2}}$

${M^1}{L^{ - 1}}{T^{ - 2}}$

$M{L^2}{T^{ - 2}}{A^{ - 1}}$

$M{L^0}{T^{ - 2}}{A^{ - 2}}$

${M^0}{L^{ - 2}}{T^{ - 2}}{A^{ - 3}}$

$M{L^2}{T^{ - 2}}{A^3}$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{\rm{LT}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{\rm{T}}} \right]$

None of these

A natural unit system where certain fundamental constants are set to 1

SI units

CGS units

MKS units

[A]

$\left[ {{A^2}} \right]$

$\left[ {{A^{ - 1}}} \right]$

None of these

J

${\rm{Jk}}{{\rm{g}}^{ - 1}}$

${\rm{Jkg}}$

${\rm{Jk}}{{\rm{g}}^2}$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}{{\rm{C}}^{ - 1}}} \right]$

$\left[ {{\rm{M}}{{\rm{T}}^2}{{\rm{C}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{T}}^{ - 1}}{{\rm{C}}^{ - 1}}} \right]$

$\left[ {{\rm{M}}{{\rm{T}}^{ - 2}}{{\rm{C}}^{ - 1}}} \right]$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]$

$\left[ {{{\rm{M}}^0}{\rm{LT}}} \right]$

$\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{\rm{T}}} \right]$

None of these

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}} \right]$

$\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]$

0.5 L

5 L

50 L

500 L