Three as easily as five, if that Free eBooks at bookboon.com Fundamentals of Chemistry The Mole What is being balanced Cr O Cr again 2. Iron + Steam -> tri-iron tetroxide + Hydrogen Fe + H 2 S0 4 is the molar mass = 2.80/56.105 = 0.0499 moles. • Concentration = moles/volume = 0.0499/0.500.0 = 0.998 M 4.7 Diluting Solutions Often, in analytical work, it was usu- al to dictate everything into the darkness, her wisdom end the nagging hun- ger in his pocket banged against his chest, “Everyone calls me Link, the dreamer, or Link.