Advertisements
Advertisements
Question
Calculate the molecular mass of H2.
Advertisements
Solution
Molecular mass of H2 = 2 × Atomic mass of H
= 2 × 1u
= 2 u
APPEARS IN
RELATED QUESTIONS
What is the significance of the formula H2O ?
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 :
Ammonia, NH3
(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)
Which of the following elements has the same molecular mass as its atomic mass ?
How many molecules are present in one gram molecular mass of a substance ?
Calculate the molecular mass of the following:
Mg3N2
Given atomic mass of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32
Calculate the molecular mass of the following:
Ammonium chloroplatinate (NH4)2 PtCl6
[At mass: C = 12, H = 1, O = 16, Cl = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Molar mass of CO2 is 42g.
The modem atomic mass scale is based on ______.
Write the name of the following compound and deduce its molecular mass.
MgCl2
