Advertisements
Advertisements
प्रश्न
Calculate the molecular mass of nitric acid, HNO3. (Atomic masses : H = 1 u ; N = 14 u ; O = 16 u)
Advertisements
उत्तर
Given:
Atomic mass of H = 1 u
Atomic mass of N = 14 u
Atomic mass of O = 16 u
Therefore, molecular mass of HNO3 can be calculated as follows:
(1 × 1) + (1 × 14) + (3 ×16) = 63
Hence, molecular mass of nitric acid is 63 u.
APPEARS IN
संबंधित प्रश्न
Calculate the molecular mass of C2H6.
Calculate the molecular mass of CH3OH.
Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses : H = 1 u ; Br = 80 u)
Calculate the molecular masses of the following compounds :
Ethanol, C2H5OH
Calculate the formula masses of the following compounds :
Sodium oxide, Na2O
Calculate the formula masses of the following compounds :
Calcium carbonate
Calculate the molecular mass of the following:
CuSO4·5H2O
Given atomic mass of Cu = 63·5, H = 1, O = 16, C=12, N = 14, Mg = 24, S = 32
Calculate:
The gram molecular mass of chlorine if 308cm3 of it at STP weighs 0.979 g.
An unknown gas shows a density of 3 g per litre at 273°C and 1140 mm Hg pressure. What is the gram molecular mass of this gas?
Write the name of the following compound and deduce its molecular mass.
NaHCO3
