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feldspar...60 percent
Pure water is a non-conductive substance that is toxic to life, and corrosive of most metals. Impure water is water that has impurities, such as salts, hardness, metal ions, and so on.
ironstone is a rock containing (at least) fifteen percent iron.
No , soil pore does not contain mineral matter . The entire soil pore is occupied by air and water .
yes it is man made. it is 150 percent poop and 50 percent vomit.
there is pure polypropylene also soms production use e cobination of this substans plus calcium carbonates
0.005%
Impurities in the substance can cause a greater percent yield. I recommend redoing the lab for better results.
The answer is in the question. Take 91.6 units of gold and add 8.4 units of impurities. This is equivalent to taking 100 units of gold and adding 100 x 8.4/91.6 = 9.17 units of impurities.
A silicate mineral is a mineral that contains both silica and oxygen. They make up about 95 percent of the Earth's surface.
This is possible only after the determination of impurities in the rock salt.
Silicon
iron ore
feldspar...60 percent
true
12 percent on a mineral composition table
Coal