Fifa

A cable of a suspension bridge hangs in the form of a parabola, the supporting towers of the cable being 300 meters apart. The cable passes over the supporting towers at a height of 60 meters above the roadway and the lowest point of the cable is 5 m abov...

I want to know the answer too :( Ashton Irwin, help us!!!!!!

First balance the equation then change the given mole to mass then assume you are asked as a gram then divide the answer to the molar mass of the asked compound without the cofficent then the answer is 2.25