What Mass of Zn(NO₃)₂ Must Be Diluted to a Mass $\times$

Multiple Choice

What mass of Zn(NO₃) ₂ must be diluted to a mass of 1.00 kg with H₂O to prepare 97 ppm Zn²⁺(aq) ?

A) 7.8 $\times$ 10^-6 g
B) 7.8 $\times$ 10^-3 g
C) 3.3 $\times$ 10^-2 g
D) 1.3 $\times$ 10^-1 g
E) 2.8 $\times$ 10^-1 g