If 10.0 ml of 0.300 m koh are required to neutralize 30.0 ml of gastric juice (hcl), what is the molarity of the gastric juice?

idk

explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.