What is the mass fraction of 4 moles of Sodium in 8 moles of Hydrogen chloride?
(a) 0.24
(b) 0.48
(c) 0.56
(d) 0.72
The question was posed to me during an online exam.
I'm obligated to ask this question of Mole Fraction and Mass(Weight) Fraction topic in chapter Moles, Density & Concentration of Basic Chemical Engineering