Question

According to the following balanced reaction, 3 NO₂ (g) + H₂O(1)→ 2 HNO₃ (aq) + NO (g), how many moles of NO are formed from 2.50

moles of NO₂ if there is plenty of water present?
O 7.50 moles NO
O 3.75 moles NO
O 2.50 moles NO
O 0.834 moles NO

Answer 1

To determine the moles of NO formed from moles of NO₂ in the given reaction, use the stoichiometric ratio. Therefore correct option is D

Step-by-step explanation:

To determine how many moles of NO are formed from 2.50 moles of NO₂ in the given reaction, we need to use the balanced equation and the stoichiometric ratios.

According to the balanced reaction, 3 NO₂ (g) + H₂O(1)→ 2 HNO₃ (aq) + NO (g), the stoichiometric ratio between NO₂ and NO is 3:1.

Therefore, if there are 2.50 moles of NO₂, we can calculate the moles of NO by multiplying it with the stoichiometric ratio: 2.50 moles NO₂ * (1 mole NO / 3 moles NO₂) = 0.833 moles NO.