Which of the following has the same number of moles as in 398 grams of CuSO4?
(a) 2 grams of hydrogen
(b) 40 grams of oxygen
(c) 35 grams of nitrogen
(d) 58.5 grams of Sodium chloride
I had been asked this question by my college professor while I was bunking the class.
Asked question is from The Mole topic in chapter Moles, Density & Concentration of Basic Chemical Engineering