saul41818 saul41818
  • 09-07-2019
  • Chemistry
contestada

An element has two isotopes. One has a mass of 5.03 amu and an abundance of 25%, the other has a mass of 7.20 amu and an
abundance of 75%. What is the average atomic mass of the element?​

Respuesta :

Аноним Аноним
  • 09-07-2019

Answer:

Average atomic mass = 6.6575.

Explanation:

As fractions the abundance is 1/4 and 3/4.

The average atomic mass =  (5.03 + 3(7.20) / 4

= 6.6575.

Answer Link

Otras preguntas

what is the capital of asia
15 points and brainlist! Math
Which is the Key feature of competency based teaching
A+thin+wire+was+wound+20+times+closely+over+a+boiling+tube.+The+total+length+of+the+windings+was+found+to+be+10+mm.+When+the+wire+was+unwound,+its+total+length+
On Windows Operating system, we are able to store several files of different type. These different files willhave different names on our computers depending on
Carson has been assigned a five-minute speech about anything having to do with movies. Which topic best meets the requirement? A. the history of silent films B.
I am timed please help
3 facts about ancient egypt?​
(Pic above) In the figure above , O is the center of square. What is the area of the square? A. 8 B. 16 C. 32 D. 64
I will come to school give me question tag​