Calculate the molar mass of Ethyne,C2H2.
MolecularmassofC2H2=2×AtomicmassofC+2×AtomicmassofH=2×12+2×1=26amuTherefore,molarmassofC2H2is26g/mol.
Calculate the mass of Sodium acetate to make 500ml of 0.375 molar aqueous solution. The Molar Mass is 82.0245g/mol.