kgopotso592 kgopotso592

10-01-2024
Chemistry

contestada

Europium has two stable isotopes, ¹⁵¹Eu and ¹⁵³Eu. ¹⁵¹Eu has a mass of 150.9199 amu and ¹⁵³Eu has a mass of 152.9212 amu. What are the abundances of ¹⁵¹Eu and ¹⁵³Eu?
¹⁵¹Eu ¹⁵³Eu
(A) 32.75% 67.25%
(B) 47.81% 52.19%
(C) 75.31% 24.69%
(D) 39.92% 60.08%

Respuesta :

Otras preguntas

The sum of twice a number and 5 is less than 17

why was the defeat of vicksburg a significant loss for the confederate army

Can a monarchy be like a dictatorship or it can be part of a democracy? TRUE OR FALSE

After the civil war, the south had to reinvent its reinvent its economy because

The sum of a 3 digit number and a 1 digit number is 217. The product of the numbers is 642. If one number is between 200 and 225, what are the numbers?

Jenny worked in a bookshop for two weeks . she is paid $125 per week plus 10% of tha value of the books she sells that week . in the first week she sold a value

how do i describe the ATP molecule and its functions within the cell

how do u write 2.51 in word form and expanded form?

what is 4180 rounded to the nearest thousand

what is 490 divided by 3 and one half