Question

35Cl and 37Cl are the two isotopes of chlorine in the ratio 3:1 respectively if the isotope ratio is reversed the average atomic mass of chlorine will be

Answer 1

Answer:

atomic mass will be 37cl and 35cl respectively

Answer 2

Answer:

36.5 u

Explanation:

Given data

35

Cl→25 percent →x  

1

​

 

37

Cl→75 percent →x  

2

​

 

Atomic mass p  

1

​

=35

Atomic mass p  

2

​

=37

Average atomic mass =  

p  

1

​

+p  

2

​

 

p  

1

​

x  

1

​

+p  

2

​

x  

2

​

 

​

 

                                   

                                     =  

100

35×25+37×75

​

                                     =36.5