La presion de vapor del agua pura a 20°c es 17,535mmhg. Cual es la presion de vapor de 100g de una solucion acuosa de urea, co(nh2) 2 al 20%. Calcular el descenso relativo de la presion de vapor

the answer is the first option

explanation:

just googled it m8. not that hard

lol

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.

i think slash and