Durante el ejercicio pasado y el entrenamiento , el ácido láctico C³H⁶O³, se acumula en los músculos dónde puede causar dolor e inflamación . ¿cuántos átomos de C hay en 125 g de ácido láctico ? ¿cuántos gramos de ácido láctico contienen en 2.5 g de H?​

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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.