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

question 53

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 × 10^-6 g
• B) 7.8 × 10^-3 g
• C) 3.3 × 10^-2 g
• D) 1.3 × 10^-1 g
• E) 2.8 × 10^-1 g

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