Bill Hooper made a common error in USMA when he divided when he should
multiplied:
>on 5/2/2002 7:51 PM, Duncan Bath at [EMAIL PROTECTED] wrote:
>
>> Q. what's the mass of a fluid ounce of Hg?
>> A. Ask the BWMA.
>
>One millilitre of mercury (Hg) has a mass of 13.6 grams (from memory).
>
>Since 1 fl.oz. = 29.574 mL
>(from a convenient conversion table I keep handy),
>one ounce is (1/29.574) of a millilitre.
>Thus the mass of one fl.oz. of Hg
>is 13.6 g / 29.574 which equals 0.460 g (by
>my handy little calculator).
The answer should have been that a fluid ounce of mercury has a mass of
13.6 g/mL X 29.574 mL/fluid ounce = 402 g/fluid ounce
Joseph B.Reid
17 Glebe Road West
Toronto M5P 1C8 Tel. 416 486-6071
