this formula equation is unbalanced.\np₄(s) + 6cl₂(g) → pcl₃(l)\nwhich coefficient should be placed in front…

this formula equation is unbalanced.\np₄(s) + 6cl₂(g) → pcl₃(l)\nwhich coefficient should be placed in front of pcl₃ to balance this equation?\no 1\no 2\no 4\no 6

this formula equation is unbalanced.\np₄(s) + 6cl₂(g) → pcl₃(l)\nwhich coefficient should be placed in front of pcl₃ to balance this equation?\no 1\no 2\no 4\no 6

Answer

Explanation:

Step1: Count phosphorus atoms

On the left - hand side, in $P_4$, there are 4 phosphorus atoms.

Step2: Balance phosphorus atoms

To balance the phosphorus atoms, we need 4 moles of $PCl_3$ on the right - hand side since each $PCl_3$ has 1 phosphorus atom.

Answer:

C. 4