### Abbreviations and Terms

Symbol | Meaning | Definition |
---|---|---|

at. wt | atomic weight | a measure of the mass of a single atom of an element |

c | concentration | the number of molecules of a substance in a given volume |

concn, | concentration | |

equiv | equivalent | the atomic weight of an element that has the same combining capacity as a given weight of another element |

equiv wt | equivalent weight | the weight of an acid or a base containing 1 mole of replaceable H |

fw | formula weight | the sum of the atomic weights of the atoms in an empirical formula |

g | gram | the basic unit of weight of the metric system |

L | liter | the basic unit of volume in the metric system |

M | molatiry | the concentration of a solution in moles per litre |

mol | mole | the basic unit of amount of substance |

mol wt | molecular weight | The weight of 1 mole of a particular molecule |

N | Normal (concentration) | ? |

| Avogadro's number | The number of molecules contained in 1 mole of a substance defined as 6.033 x 10 |

n | number of equivalents per mole | ? |

ppm | Parts Per Milion | ? |

sp gr | Specific Gravity | the ratio of the density of a substance to the density of water |

V, vol | volume | the amount of 3-dimensional space occupied by an object |

wt | weight | the vertical force exerted by a mass as a result of gravity |

w/w | weight-to-weight ratio | ? |

w/v | weight-to-volume ratio | ? |

ρ | density | a measure of the amount of matter contained by a given volume |

µ | micro | ? |

[ ] | molar concentration of substance in bracket | ? |