Question

Mass of an atom of hydrogen is 1.008u what is the mass of 18 atom of h

Answer 1

During the cement manufacturing process, upon the cooling of clinker, a small amount of gypsum is introduced during the final grinding process.Gypsum is added to control the “setting of cement”. If not added, the cement will set immediately after mixing of water leaving no time for concrete placing.

Answer 2

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mass of 1 H atom = 1.008

mass of 18 H atom = 18.144

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