How many moles of Nitrogen (N2), are needed to react with 6 moles of Hydrogen
(H2)?
N2 + 3H2 -> 2NH3

2 mol N₂

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Step 1: Define

[RxN - Balanced]   N₂ + 3H₂ → 2NH₃

[Given]   6 mol H₂

Step 2: Identify Conversions

[RxN] 3 mol H₂ → 1 mol N₂

Step 3: Stoichiometry

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.