Chemical Arithmetic With Twelve Hundred Examples (Classic Reprint)

The beginner is supposed to be acquainted with elementary arithmetic. Those more advanced are strongly advised to learn the use of logarithms, when Tables VI. and VII. will materially lighten the arithmetical labour. Those portions of the introduction, which may be omitted on a first perusal, and a few of the more difficult problems, are marked off by lines. For the sake of simplicity, and to avoid frequent changes, in many cases the numbers used are only approximate. More accurate data will be found in my Numerical Tables and Constants in Elementary Science. The mass of a litre of oxygen, 1-42961 gm., is known more accurately than that of any other elementary gas (of. Nature, A p13, 1893), and it is convenient to assume 0= 16 as the basis of the system of atomic weights. Hence two volumes are equal to 321-42961 =22-3837
(Typographical errors above are due to OCR software and don't occur in the book.)

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