Advertisements
Advertisements
Question
Calculate the molecular mass of CH4.
Advertisements
Solution
Molecular mass of CH4 = Atomic mass of C + 4 × Atomic mass of H
= 12 + 4 × 1
= (12 + 4) u
= 16 u
APPEARS IN
RELATED QUESTIONS
Calculate the molecular mass of C2H6.
Calculate the molecular masses of the following :
Chlorine, Cl2
(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)
Calculate the molecular masses of the following compounds :
Ethyne, C2H2
(Atomic masses : C = 12 u ; H = 1 u)
Calculate the molecular masses of the following compounds :
Ethanol, C2H5OH
Calculate the formula masses of the following compounds :
Calcium carbonate
Convert 12 g of oxygen gas into moles.
Calculate:
The volume of 4g of H2 at 4 atmosphere.
Calculate the weight/mass of a molecule of NH3.
Calculate the relative molecular mass of ZnCO3.
[Zn = 65, O = 16, C = 12]
What are ionic and molecular compounds? Give examples.
