How much (NaN)_(3) must be weighed out to make 50 ml of an aqueous solution containing 70 mg of Na^(+) per mL?

How much (NaN)_(3) must be weighed out to make 50 ml of an aqueous sol

1.	How much (NaN)_(3) must be weighed out to make 50 ml of an aqueous solution containing 70 mg of Na^(+) per mL?
Answer» `12.394` G `1.29` g `10.934` g `12.934` g Answer :D