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The concentration of CO in a sample of air found to be 80 ppm. Find the mass of CO in 100 g of air. |
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Answer» Can you imagine a world without merchants, where we are left to our own devices to acquire goods and services without middlemen? SOUNDS like a HARSH place to be. The sale and TRADE of goods defines MUCH of the development and history of the world.
Please mark me as Brainlist I want only one Brainlist answer please. |
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