Question

calculate the molecular masses of C2H4​

Answer 1

Answer:

28.05g/mol

Explanation:

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Answer 2

Answer:

answers is 28 g/mol

Explanation:

carbons mass is 12g and hydrogen mass is 1g there are 2 carbons and 4 hydrogens in C2H4 . hence

12×2+1×4=24+4=28