Advertisements
Advertisements
प्रश्न
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)
Advertisements
उत्तर
Given:
Atomic mass of Cl = 35.5 u
Therefore, molecular mass of Cl2 can be calculated as follows:
35.5 × 2 = 71
Hence, molecular mass of Cl2 is 71 u.
APPEARS IN
संबंधित प्रश्न
Calculate the molecular masses of the following compounds :
Methanol, CH3OH
Calculate the molecular masses of the following compounds :
Methane, CH4
(Atomic masses : C = 12 u ; H = 1 u)
How many molecules are present in one gram molecular mass of a substance ?
Calculate the molar masses of the following substances. Write the results with proper units.
- Ozone molecule, O3
- Ethanoic acid, CH3COOH
Calculate the relative molecular masses of the following
(NH4)2 Cr2O7
[At mass : C = 12, H = 1, O = 16, Ci = 35.5, N = 14, Cu = 63.5, S = 32, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Calculate the weight/mass of an atom of oxygen.
Calculate the relative molecular mass of ZnCO3.
Write the name of the following compound and deduce its molecular mass.
K2CO3
Write the name of the following compound and deduce its molecular mass.
CO2
Calcium carbonate react with dilute hydrochloric acid as given below:
\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
What is the volume of carbon dioxide liberated at S.T.P. at the same time?
