Answer;
200.00 moles of nitric acid is produced
Step-by-step explanation;
From the equation;
3NO2 + H2O → 2HNO3 + NO
The mole ratio of nitrogen (IV) oxide and nitric acid is 3 is to 2;
Thus; for every 3 moles of nitrogen dioxide (NO2), 2 moles of nitric acid (HNO3) are formed.
Therefore; 300 moles of NO2 will produce;
2 mol HNO3/ 3 mol NO2 (300) = 200 moles
Hence, 200 moles of nitric acid are produced from 300 moles of NO2.