\((b)\) \(O_2\) નું સક્રિયદળ \(= \)\(\,\,\frac{{{\text{8}}{\text{.0}}\,}}{{{\text{32}}\,\, \times \,\,{\text{1}}}}\,\, = \,\,\frac{1}{4}\,\, = \,\,0.25\,\,g\,mole\,\,/\,\,litre\) \((O_2\) નો અણુભાર \(=32)\)
\((c)\) \(NH_3\) નું સક્રિયદળ \(= \)\(\,\,\frac{{{\text{34}}{\text{.0}}\,}}{{17 \times \,\,{\text{1}}}}\,\, = \,\,2.0\,\,g\,mole\,\,/\,\,litre\,\) \((NH_3\) નો અણુભાર \(=17)\)
[આપેલ $: R =8.31 \,J \,K ^{-1} \,mol ^{-1}, \log 1.33=0.1239$ $\ln 10=2.3]$
${I_2}(g)$ $\rightleftharpoons$ $2I(g),\;\Delta H_r^o(298\,K) = + 150\;kJ$