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Updated: June 9, 2025
I. Burney Yeo's book on diet, and is given as the food required daily by a "well nourished worker": 151.3 grams meat, 48.1 " white of egg, 450.0 " bread, 500.0 " milk, 1065.9 " beer, 60.2 " suet, 30.0 " butter, 70.0 " starch, 17.0 " sugar, 4.9 " salt. This worker is too well fed.
What weight of magnetite must be taken for analysis in order that, after precipitating and igniting all the iron to Fe O , the percentage of Fe O in the sample may be found by multiplying the weight in grams of the ignited precipitate by 100? !Answer!: 0.9665 gram. If exactly 12.6 cc. of the mixture are required, how many grams of MgCl per liter does the solution contain?
Hensen, who has published so full and interesting an account of the habits of worms, calculates, from the number which he found in a measured space, that there must exist 133,000 living worms in a hectare of land, or 53,767 in an acre. This latter number of worms would weigh 356 pounds, taking Hensen's standard of the weight of a single worm, namely, three grams.
The brain weighed 1390 grams and showed little or no gross lesion, if we except a pigmentation of the right prefrontal region under an area of old pias hemorrhage. There was also a chronic leptomeningitis, with numerous streaks and flecks along the sulci, especially in the frontal region.
There is, unfortunately, no uniform standard of volume which has been adopted for general use in all laboratories. It has been variously proposed to consider the volume of 1000 grams of water at 4°, 15.5°, 16°, 17.5°, and even 20°C., as a liter for practical purposes, and to consider the cubic centimeter to be one one-thousandth of that volume.
Recently government investigators have discovered that they are bodies that can be isolated by a special process from the filtrate of brewer's yeast by Lloyd's reagent. Five grams of this" he held up some of the tablets he had made "for a sixty- kilogram person each day are sufficient. Unknown to you, I have introduced some of this substance into the food already deficient in vitamines.
In this case no standardization is made, as the normal value can be calculated directly. It is, however, more generally customary to standardize a solution of the commercial salt by comparison with some substance of definite composition, as described below. PROCEDURE. Pulverize about 5 grams of potassium bichromate of good quality.
"Can't you get it into your skull what you'll be letting yourself in for if you marry me? Assume that we get back, which isn't sure, by any means. But even if we do, some day and maybe soon, too, you can't tell somebody is going to collect fifty grams of radium for my head." "Fifty grams and everybody knows that Samms himself is rated at only sixty? I knew that you were somebody, Conway!"
To prepare the solution, dissolve about 5 grams of the powdered oxide, accurately weighed, in 10 cc. of a concentrated sodium hydroxide solution, dilute the solution to 300 cc., and make it faintly acid with dilute hydrochloric acid. Add 30 grams of sodium bicarbonate dissolved in a little water, and dilute the solution to exactly 1000 cc. in a measuring flask.
The superabundant powder is then removed by washing and the article is beautifully gilded with a heavy or light coat, according to the quantity of paste used. Grams belong to French weights, four grams are a little more than one drachm.
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