Question

100 Relative intensity m/z (amu)
out of 23 Part 1 (0.5 point) El See Period What is the molecular formula for the hydrocarbon in the mass spectrum above? x x
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Answer #1

As per shown mass spectra, m/z is 16 amu.

It is of Methane, CH4.

Part 1

Molecular formula is CH4.

Part 2

Methane reacts with oxygen as :

CH4 + 2O2 -----> CO2 + 2H2O

1 mole of methane forms 2 moles of water

10 moles of methane will form 20 moles of water.

Answer : 20 moles

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