Single Answer MCQ
Q-00019169
In the equation 3H2 + N2 → 2NH3, what do the coefficients represent?
1
Moles of each substance
2
Mass of each substance
3
Volume of gases only
4
Temperature at which reaction occurs
Answer and Solution
Answer
A. Moles of each substance
Solution:
The coefficients indicate the number of moles of each substance participating in the reaction. They reflect the ratio of moles, not mass or volume. Thus, 3 moles of H2 react with 1 mole of N2 to produce 2 moles of NH3.
Watch Video Solution