Some Basic Concepts of Chemistry Part 2

Chlorophyll extracted from the crushed green leaves was dissolved in water to make 2L solution of Mg of concentration 48‌ppm. The number of atoms of Mg in this solution is x×1020 atoms. The value of x is _________. (Nearest Integer)
(Given : Atomic mass of Mg is 24gmol−1;NA=6.02×1023mol−1 )