Question

assignment balanced equation: has the same number introduction to balancing chemical equations of each type of atom. tyler dewitt. balanced h₂ + cl₂ → 2hcl h h + cl cl → h cl h cl for more videos: videochemistry youtube multiple - choice question how many hydrogen gas molecules do you need to balance this equation?

Explanation:

Step1: Analyze the left - hand side of the equation

On the left - hand side of the equation $H_2+Cl_2
ightarrow2HCl$, the hydrogen is present as $H_2$, which is one molecule of hydrogen gas.

Answer:

1