220. In the reaction (balance the equation): $\text{PI}_3(\text{s}) + \text{H}_2\text{O}(\text{l}) \rightarrow \text{H}_3\text{PO}_4(\text{aq}) + \text{HI}(\text{aq})$, if the initial amount of $\text{PI}_3(\text{s})$ is 20.6 g per liter of water, and after two minutes 4.12 g has been consumed, the average rate of consumption of this substance is approximately how many moles per liter per minute? ($P = 31,\ I = 127\ \text{g·mol}^{-1}$; change in volume is neglected.)
[(1)] $0.12\ ,\ 3.3\times10^{-4}$
[(2)] $0.08\ ,\ 3.3\times10^{-4}$
[(3)] $0.12\ ,\ 6.67\times10^{-4}$
[(4)] $0.08\ ,\ 6.67\times10^{-4}$
\textbf{220.} In the reaction (balance the equation): $\text{PI}_3(\text{s}) + \text{H}_2\text{O}(\text{l}) \rightarrow \text{H}_3\text{PO}_4(\text{aq}) + \text{HI}(\text{aq})$, if the initial amount of $\text{PI}_3(\text{s})$ is 20.6 g per liter of water, and after two minutes 4.12 g has been consumed, the average rate of consumption of this substance is approximately how many moles per liter per minute? ($P = 31,\ I = 127\ \text{g·mol}^{-1}$; change in volume is neglected.)
\begin{itemize}
\item[(1)] $0.12\ ,\ 3.3\times10^{-4}$
\item[(2)] $0.08\ ,\ 3.3\times10^{-4}$
\item[(3)] $0.12\ ,\ 6.67\times10^{-4}$
\item[(4)] $0.08\ ,\ 6.67\times10^{-4}$
\end{itemize}