soulmatadarkmoon soulmatadarkmoon

23-09-2022
Chemistry

contestada

El silicio natural está formado por tres isotopos cuyos porcentajes son: 92.28% de Si28, 4.68% de Si30 y 3.05% de Si29. Las masas de estos isotopos son: 27.9776, 28.8933 y 29.9735 respecti vamente.

R./ 28

Calcular el peso atómico a partir de esos datos.

Respuesta :

Otras preguntas

which of the following word is applied to people who live on very little money, but who are NOT victims of abject poverty? A: penury B: indigence C: destitutio

The pressure inside the fluid of a hydraulic system is increased by 875 Pa. What is the increase in the force exerted on a piston that has an area of 0.060 m2?

if a giant tortoise walks 15 feet a minute how long will it take this reptile to walk 165 feet?

How do I solve the square root of 30?

Help solving algebra problem 6(1/3h + 1)

In the 1850s, most of the nations cities were located in what region of the U.S

9,000,080 scientific notation

What land is considered to be Palestine?

please solve: √-0.25

Graph the points and state whether they are collinear. 1) (0,0), (4,2), (6,3) 2) (-1,1), (2,-2), (4,-3) 3) (-2,0), (0,4), (2,0) 4) (0,0), (6,0), (9,0) 5) (1,2