Question

What is the coefficient for O2 when the following equation is correctly balanced with the smallest integer coefficient? -As2S3+---O2 -> ---As2O3 + ----SO2

Answer 1

The coefficient of O2 in the correctly balanced equation is 9

Step-by-step explanation:

As2S3 + 02 -------------> As2O3 + SO2

Balancing this reaction, we have;

2As2S3 + 9O2 -----------> 2As2O3 + 6SO2

9 moles of oxygen will be the correct coefficient and number of moles for the reaction to be correctly balanced.

In the balanced reaction, we have 4 moles of As; 6 moles of S and 18 moles of O on both sides of the equation.