What is the ratio of A/B where A , B , C , and D represent the coefficients in the balanced equation?
A Zn + B H₃PO₄→C H₂ + D Zn₃(PO₄) ₂

Question

What is the ratio of A/B where A , B , C , and D represent the coefficients in the balanced equation? A Zn + B H₃PO₄→C H₂ + D Zn₃(PO₄)₂

Quizplus · Accepted Answer

In the balanced equation, the coefficient of Zn and ZnS are both 1. Therefore, we can compare the coefficients of H₃ in both reactant and product side to get the ratio of A/B. On reactant side, we have B H₃. On product side, we have C H₂ + D Zn₃(PO₄)₂ The coefficient of H₃ is B on reactant side, and it appears as part of the compound Zn₃(PO₄)₂ on the product side. Thus, the coefficient of H₃ in the compound is D, the coefficient of Zn₃. Therefore, the ratio of A/B is D/B. We cannot determine the value of D or B, but we know that the ratio of atoms on product side matches that on reactant side. There are 2 H atoms and 1 S atom on both sides, so the ratio of D/B must be the same as the ratio of 2/1. Simplifying, we get D/B = 3/2.

What Is the Ratio of A/B Where a , B