10 grams of copper can kill you. But copper sulphate won't kill you. So don't freak out!
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One modern cent weighs 2.5 grams and contains 2.5% copper, which is 0.0625 grams or about 0.000138 lbs of copper per penny. To get one full pound of copper, it would take 7,246 pennies.
1 troy ounce = 31.1034768 grams
How many golf balls does it take to get to London? Grams are a measure of weight. Yards are a measurement of distance.
25.You take 100 divided by 8 to get 12.5, this tells you how many parts of 8 are in 100. Then take 12.5 times 2 (which is the number of grams in 8 percent) to come up with the answer of 25.
1 gram = 1000 milligramsSo take the number of milligrams and divide by 1000 to get the number of grams.5.6 Milligrams = 0.0056 Grams