Question

Chlorophyll the green colouring matter of plants responsible for photosynthesis contains 2.68% of

Magnesium by weight.Calculate the number of magnesium atoms in 4 g of Chlorophyll​

Answer 1

Answer:

ANSWER

Mass of magnesium in 3.00 g of chlorophyll

=

100

2.68×3

=0.080g

24.3 g of Mg contain =6.02×10

23

atoms

0.080 g of Mg contain =

24.3

6.02×10

23

×0.080

=1.98×10

21

atoms