According to the following balanced reaction, how many moles of hno3 are formed from 2. 50 moles of no2 if there is plenty of water present? 3 no2(g) h2o(l) → 2 hno3(aq) no(g).

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

0.09 moles of sodium sulfate in 12 ml of solution

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.