You want to prepare 1 L of a solution containing 1.00 ppm of Fe+2. How many grams of iron (II) and ammonium sulfate, FeSO4 (NH4) 2SO4 6H2O, must be dissolved and diluted in 1 L? What would be the molarity of this solution?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?