Mole ConceptHard

Question

What mass of solid ammonium carbonate H2NCOONH4 when vaporized at 273OC will have a volume of 8.96 L at 760 mm of pressure? Assume that the solid completely decomposes as H2NCOONH4(s) → CO2(g) + 2NH3(g)

Options

A.15.6 g
B.5.2 g
C.46.8 g
D.7.8 g

Solution

Total moles of gases =

Hence, the mass of ammonium carbonate

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