The answer is 75 minutes.
I'm assuming you mean how many grams of sodium does 8.99 grams of sodium bromide have, because Bromine would not have any sodium in it.
Then, just direct calculate 22.34
Answer:
It weighs about 0.819 kg.
According to Gibbs free energy and assume constant pressure (Helmholtz <span>ΔG=Δ<span>GΘ</span>+RTln<span>(K)</span></span>Where K is the equilibrium constant.
At equilibrium <span>ΔG=0</span>:
<span>0=Δ<span>GΘ</span>+RTln<span>(K)</span>→Δ<span>GΘ</span>=−RTln(K)
</span>Solve for the equilibrium constant:
<span><span><span>−Δ<span>GΘ</span></span><span>RT</span></span>=ln(K)</span><span><span><span>[P]</span><span>[S]</span></span>=K=exp<span>(<span><span>−Δ<span>GΘ</span></span><span>RT</span></span>)
using this equation</span></span>Just put into the equation and calculate the equilibrium constant K<span>.
hope it helps</span>