00337nam a2200109Ia 4500008004000000082001500040100002900055245004300084260005100127300001100178650003800189210210b1972   xxu||||| |||| 00| 0 eng d  a540.2 RUNC  aRUNQUIST (Olaf) &others.  aChemical principles:A programmed text.  aBombaybVakils Feffer & Simons Pvt Ltd.,c1972  avi,462  aStoichiometry Questions Chemistry