charmae6706 charmae6706

12-08-2021
Chemistry

contestada

The element europium exists in nature as two isotopes: has a mass of u and has a mass of u. The average atomic mass of europium is u. Calculate the relative abundance of the two europium isotopes.

Respuesta :

jeremiah693 jeremiah693

12-08-2021

Answer:

Problem Details

The element europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 amu, and 153Eu has a mass of 152.9209 amu. The average atomic mass of europium is 151.96 amu. Calculate the relative abundance of the two europium isotopes.

answer:

151Eu = 48%, 153Eu = 52%

Answer Link

Otras preguntas

. A toy company developed 32 new toys last year. Four of the toys were given awards for being educational. What percent of the toys were not given awards for be

What is the volume of the prism? Enter your answer in the box as a mixed number in simplest form. (???) ft³

If an economy with full employment operating on its production possibilities curve can increase its output of steel from 0 to 30 tonnes by forgoing an output of

Describe two types of text structure you may see an author use in an informational text

It is a good philosophy to keep the employees also at the center of creating a service process since they determine how the service is perceived by the customer

Imagine that your friend is on a diet. Based on what you've learned about hunger and motivation in class, offer 3 tips to your friend to help him/her eat less f

What is the ph and the poh of a solution composed of 45ml of .32 m h3po4 with 50 ml of 45 m naoh?

An electron of kinetic energy 1.03keV circles in a plane perpendicular to a uniform magnetic field. If the orbit radius is 32.6cm, what are (a) the electron's s

Three identical, conducting spheres are each placed at the points of an equilateral triangle (60 ∘ interior angles) 4 cm apart. Initially, sphere A has a charge

When parties work within their parties and not across the isle comprise is missing