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

Identify the correct sentence. a. if she doesn't graduate, in december, she will graduate, in june. b. if she doesn't graduate in december, she will graduate

Prove the following identity. [sin(x+y)+sin(x-y)]/[cos(x+y)+cos(x-y)] = tan(x)

A person in the audience of a reality show has an 11% chance of winning free movie tickets. What is the chance that a person in the audience may not win free mo

sienna is solving the quadratic equation by completing the square. 3x2 9x – 4 = 0 3x2 9x = 4 a(x2 3x) = 4 what is the value of a? –4 –3 3 4

A beverage is made by mixing 2 parts of water with 3 parts of fruit juice. How many parts of water are mixed with 1 part of fruit juice?

What is the greatest integer value for $m$ such that $5m-3 > 8m+21$?

In the below system, solve for y in the first equation. x + 3y = 6 2x – y = 10

a box is pushed 40 m by a mover. the amount of work done was 2,240j. how much force was exerted on the box a box is pushed 40 m by a mover. the amount of work d

what are the articles of confederation?

How do I factor (x+1)^3/2 - x^2(x+1)^1/2 ?