JEE Main 2022 · 26 Jul · Shift 1, Chemistry question 81

Chlorophyll extracted from the crushed green leaves was dissolved in water to make 2 L solution of Mg of concentration 48 ppm. The number of atoms of Mg in this solution is $x\times10^{20}$ atoms. The value of $x$ is ______. (Nearest Integer)

(Given : Atomic mass of Mg is 24 g mol$^{-1}$; $N_A=6.02\times10^{23}$ mol$^{-1}$)