50.6 mL of a gas is collected over water at 18.0 °C and 755.5 mmHg pressure. What is the volume of dry gas at STP?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.