Advertisements
Advertisements
प्रश्न
Calculate the molecular mass of CH4.
Advertisements
उत्तर
Molecular mass of CH4 = Atomic mass of C + 4 × Atomic mass of H
= 12 + 4 × 1
= (12 + 4) u
= 16 u
APPEARS IN
संबंधित प्रश्न
Calculate the formula unit mass of K2CO3 given the atomic mass of
- Zn = 65 u
- Na = 23 u
- K = 39 u
- C = 12 u
- O = 16 u
Calculate the molecular masses of the following compounds :
Methanol, CH3OH
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 formula masses of the following compounds :
Sodium oxide, Na2O
The mass of one molecule of a substance is 4.65 × 10–23 g. What is its molecular mass ? What could this substance be ?
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 relative molecular mass of ZnCO3.
[Zn = 65, O = 16, C = 12]
The gram molecular mass of oxygen molecule is ______.
Write the name of the following compound and deduce its molecular mass.
NaHCO3
A gas occupied 360 cm3 at 87°C and 380 mm Hg pressure. If the mass of gas is 0.546 g, find its relative molecular mass.
