RachalOZD7411 RachalOZD7411

20-09-2018
Chemistry

contestada

Find the average atomic mass of the element, given the isotopic percentage of 75.0% for cl35 and 25.0% for cl-37.

Respuesta :

kenmyna kenmyna

29-09-2018

The average atomic mass of the element = 35.5

calculation

average atomic mass = sum of the masses of its isotope each multiplied by its natural abundance.

that is

[(75 x35) +(25 x37)] /100 = 35.5

Answer Link

Otras preguntas

Evaluate the effects of the teapot dome scandal on citizens’ views of the federal government

Which best describes the South in the years leading up to the Civil War? a. largely agrarian, with slave owners as a minority b. largely urban, with the major

what month was the constitution signed

What does Macbeth see on his way to kill the king that forces him to pause?

Who sailed four ships to India

What is 2 7/10 in decimal

Expand and simplify 2(x-1) - (3x-2)

If you travel at a rate of 45 miles per hour, how many minutes will it take you to travel 1 mile? Justify your process.

I am a number that tells how many times the bass is used as a factor

Name three different complex fractions that simplify to 1/4