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प्रश्न
Choose the correct answer from the options given below.
In water, the hydrogen-to-oxygen mass ratio is
विकल्प
1: 8
1: 16
1: 32
1: 64
उत्तर
1:8
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संबंधित प्रश्न
What is the significance of the formula H2O ?
Calculate the molecular masses of the following :
- Hydrogen, H2
(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)
Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses : H = 1 u ; Br = 80 u)
Calculate the molecular masses of the following compounds :
Ethene, C2H4
(Atomic masses : C = 12 u ; H = 1 u)
Calculate the formula masses of the following compounds :
- Calcium chloride
- Sodium carbonate
(Given : Atomic masses : Ca = 40 u ; Cl = 35.5 u ; Na = 23 u ; C = 12 u; O = 16 u)
Calculate:
The volume of 4g of H2 at 4 atmosphere.
Calculate the weight/mass of an atom of hydrogen.
Calculate the weight/mass of a molecule of NH3.
Calculate the weight/mass of 0.25 gram atom of calcium.
Write the name of the following compound and deduce its molecular mass.
K2CO3
