At elevated temperatures, methylisonitrile (ch3nc) isomerizes to acetonitrile (ch3cn): ch3nc (g) \rightarrow → ch3cn(g) at the start of an experiment, there are 0.200 mol of reactant and 0 mol of product in the reaction vessel. After 25 min, 0.108 mol of reactant (ch3nc) remain. There are ___________ mol of product (ch3cn) in the reaction vessel.
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