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Calculate the approximate Molecular weight of acetylene. C – 12, H – 1.

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Calculate the approximate Molecular weight of acetylene. C – 12, H – 1.

(a) 26

(b) 27

(c) 28

(d) 29

This question was addressed to me in an international level competition.

My enquiry is from Inorganic Chemical in section Inorganic Chemical Industries of Chemical Technology

1 Answer

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Correct answer is (a) 26

To explain I would say: Chemical formula of acetylene is C2H2. Atomic Weight of Carbon is 12 and of Hydrogen is 1 approximately. Weight of acetylene = 2(12) + 2 = 26.

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