jarraijaiteh06 jarraijaiteh06

27-12-2020
Chemistry

contestada

The element copper with a relative atomic mass of 63.55 contains atoms of mass numbers 63 and 65. Calculate the fraction of each isotope.

Respuesta :

ChoiSungHyun ChoiSungHyun

27-12-2020

Explanation:

Difference between 63 and 65 = 2.

(63.55 - 63) / 2 * 100% = 27.5%.

(65 - 63.55) / 2 * 100% = 72.5%.

Hence there is 72.5% of the isotope with atomic mass 63 and 27.5% of the isotope with atomic mass 65 in copper.

Answer Link

Otras preguntas

Maya is 14 years old. Her brother Jorge is 3 years more than half her age. Which of the following is the correct expression for Jorge's age? (7 x 2) + 3 7 − (

Which is heavier, 4- kilograms or 4 4 kilograms?

Tom is a builder and earns $38.50 an hour. Calculate his weekly wage if he works for 38 hours?

a bridge costs 94,500 to repair. if the state pays twice as much as the city, how much did each pay?

HELP ME !!!!!! instruction given the quadrilateral ABCD inscribed in the circle, find x and y

what is the answer to 8= −6+x

can any of yalls help with this one

In 1948, the United Nations created the Universal Declaration of Human Rights to

Select the correct answer. John is a successful businessman. He always maintains a high bank balance. Hence the bank pays him interest. John uses this account f

Find the volume of each figure. Round your answers to the nearest tenth, if necessary