How much AgNO3 is needed to prepare a
0.282 m solution in 425 mL of water?
Answer in units of g
Did you intend to use a small m? That is molality.
0.282m = mols/kg solvent.
Substitute 0.282 and 0.425 kg H2O, solve for mols. Tnen mols = grams/molar mass. Sole for grams.