can you fix my grammar . At a higher concentration of sulfuric acid magnesium collides with higher chance of collision which is why it leads to greater reaction rate.

At a higher concentration of sulfuric acid, magnesium has a higher chance of collision, which is why it leads to a greater reaction rate.

Certainly! Here's the corrected version of your sentence:

"At a higher concentration of sulfuric acid, magnesium has a higher chance of collision, which is why it leads to a greater reaction rate."

Hope that helps! Is there anything else I can assist you with?