Question

Chlorophyll contains 0.025% Mg by mass. Then the probable molecular mass of
chlorophyll is: (If one molecule of chlorophyll contain one Mg atom).​

Answer 1

Answer:

Explanation:

Total mass of chlorophyll =2g

% of Mg in chlorophyll =2.68%

⇒ mass of Mg in 2g of chlorophyll =2×  

100

2.68

​  

 

Nuumber of magnesium atom (  

24

0.00536

​  

)×(6.023×10  

23

)

=1.345×10  

20

 atoms.