write the chemical formula for the following compounds and find the ratio by mass of the combining elements in each one of them
(N=14u, H=1u, C=12u, O=16u, S=32u)
a)methane
b)Co2
c)hydrogen sulphide
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a) Methane- CH4- 16u its molecular mass..
b) CO2 (Carbon dioxide)-44 its molecular mass.
c) Hydrogen sulphide- H2SO4-its molecular mass-98..
b) CO2 (Carbon dioxide)-44 its molecular mass.
c) Hydrogen sulphide- H2SO4-its molecular mass-98..
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