A jar contains 75mL of a .45M silver nitrate solution. Will 200g of solid copper be enough to bring all the silver out of solution as a solid?
Cu + 2AgNO3 ==> Cu(NO3)2 + 2Ag
mols Cu = grams/molar mass
mols AgNO3 = M x L = ?
How much Cu is needed? That's mols AgNO3 x 1/2 = ?
Do you have that much?