+595 How many grams of AgNO3 are needed to prepare a 0.25 m solution in 500 grams of water?
125 g
0.125g
21.25 g
170g
+37146 A ONE MOLAR solution has ONE MOLE dissolved in 1 liter of solution.
Silver nitrate wieighs 107.868 + 14.007 + (3)15.999 = 169.872 gm/mole
169.872 gm/mole x .25 mole/liter x 500/1000 l = 21.234 gm
