0.471 m means 0.471 mols Co(NO3)2 in 1 kg solvent. How many g Co(NO3)2 is 0.471 mols? That's g = mols x molar mass = ? = approx 86 grams Co(NO3)2 Total mass of the solution then is approx 86 + 1000 = approx 1086g total. % = (g solute/total grams solution)...
11 years ago