Question

calculate molecular masses of H2O.Co2.Ch4.No2

Answer 1

(i)Molecular mass of H2O=2 × Atomic Mass of H+Atomic Mass of O=2+16=18 a.m.u
(i)Molecular mass of CO2 =Atomic Mass of C+2 × Atomic Mass of O=12+32=44 a.m.u
(i)Molecular mass of CH4 =Atomic Mass of C+4 × Atomic Mass of H=12+4=16 a.m.u
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Answer 2

Explanation:

water

• 18amu

carbon dioxide co2

• 44amu

No2

• 46amu