Molar mass of molecule x = 2 gr 

Molar mass of molecule y = 32 gr 

Molar mass of molecule x2 y = 18 gr Predict x and y. 

A) x = H2 ; y = O2

B) x = O2 ; y = H2

C) x = H2 ; y = Cl2

D) x = Cl2 ; y = H2

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1 Answers

A) x = H2 ; y = O2

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