Advertisements
Advertisements
प्रश्न
Calculate the molecular mass of the following:
(NH4)2CO3
Given atomic mass of Cu = 63·5, H = 1, O= 16, C = 12, N = 14, Mg = 24, S = 32
Advertisements
उत्तर
Molecular mass of (NH4)2CO3
= (2 × 14) + (8 × 1) + 12 + (3 × 16)
= 28 + 8 + 12 + 48
= 96
APPEARS IN
संबंधित प्रश्न
The molecular formula of glucose is C6H12O6. Calculate its molecular mass. (Atomic masses : C = 12 u ; H = 1 u ; O = 16 u)
Calculate the molecular mass of chloroform (CHCl3). (Atomic masses : C = 12 u ; H = 1 u ; Cl = 35.5 u)
Calculate the molecular masses of the following compounds :
Hydrogen sulphide, H2S
Calculate the molecular masses of the following compounds :
Methane, CH4
(Atomic masses : C = 12 u ; H = 1 u)
Calculate:
The gram molecular mass of chlorine if 308cm3 of it at STP weighs 0.979 g.
Calculate:
The volume of 4g of H2 at 4 atmosphere.
Calculate the weight/mass of the molecule of oxygen.
What is the SI prefix for each of the following multiples and submultiples of a unit?
- 103
- 10–1
- 10–2
- 10–6
- 10–9
- 10–12
What are ionic and molecular compounds? Give examples.
Write the name of the following compound and deduce its molecular mass.
K2CO3
