necolewiggins135 necolewiggins135

21-06-2022
Chemistry

contestada

The percentage of the X-21 isotope is 87.99 % What is the contribution (in amu) to the weighted average from the X-21 isotope, which has a mass of 21.00 amu

Respuesta :

Medunno13 Medunno13

23-06-2022

[tex](21.00)(0.8799) \approx \boxed{18.48 \text{ amu (to 4 sf)}}[/tex]

Answer Link

Otras preguntas

Need help solving this proportion....x\4 = 5\7

A drawing of a surfboard in a catalog shows it's length as 8 4/9 inches. Find the actual length of the surfboard if 1/2 inch length on the drawing corresponds t

how would your weight change on the surface of an earth sized planet whose mass was greater than earths? why?

what is the lithosphere made out of?

A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?

What are the prime numbers of numbers 1-49?

A rectangle is 5 units long. The rectangle is also 3 units wide. What is its perimeter?

what is the lithosphere made out of?

the kind of lake that formed when a river meanders

What modern day country is located where Mesopotamia was located