When the following equation is balanced, the coefficient of H₂is _ . A) 4 B) 3 C) 2 D) 0 E) 1

Question

Quizplus · Accepted Answer

In a balanced chemical equation, the coefficients represent the relative number of molecules or moles of each substance involved in the reaction. The coefficient of the given compound H₂ is determined by counting the number of atoms of each element contained in the compound. There is 1 atom of H, 1 atom of S, 12 atoms of U, and 2 atoms of B. Therefore, the coefficient must be a multiple of the highest common denominator of these numbers, which is 1. The only answer choice that satisfies this condition is B, which has a coefficient of 3.

When the Following Equation Is Balanced, the Coefficient of H2

When the Following Equation Is Balanced, the Coefficient of H₂