KurobaAme KurobaAme

21-11-2016
Chemistry

contestada

What is the mass of 3.01 x 10^23 molecules of oxygen?

Respuesta :

Аноним Аноним

21-11-2016

Oxygen is gas. It has 2 O atoms. Atomic mass of 1 O atom is 16 amu. So molecular mass of O2 = 2 x 16 = 32 amu. Now, mass of 6.023 x 10 ^23 = 32 amu. Therefore mass of 3.01 x 10^23 = 32 x 3.01 x 10^23 / 6.023 x 10 ^23 = 15.99 = ~16 gm

Answer Link

Otras preguntas

One of the legs of a right triangle measures 1 cm and its hypotenuse measures 20 cm. Find the measure of the other leg. If necessary, round to the nearest tenth

A fiber-optic rod consists of a central strand of material surrounded by an outer coating. The interior portion of the rod has an index of refraction of 1.97. I

Edgar is learning to make handmade corn tortillas from his grandmother in preparation for a family gathering. His grandmother explains to Edgar that to make del

find the percent increase is admission to the amusement park is raised from $70 to $80.

1. Describe the secret graveyard on Nickel campus. -The nickel boys

Happen these sentences to the past simple . 1-We come to school by bus. 2-You work very hard . 3-she likes to sit in the sun . 4-she reads the newspaper every

Let F(x)=x^2-4 and G(x)=5-x Find (F/G)(x)=

rewrite the sentence in plural my doll is kept on the shelf

A spring with a 10-kg mass and a damping constant 15 can be held stretched 2 meters beyond its natural length by a force of 6 newtons. Suppose the spring is str

Which activity is most likely a result of a sudden change in the environment