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प्रश्न
Prove the Following :
2 X V.D. = Molecular mass.
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उत्तर
The molecular mass of the given compound is determined experimentally by vapour density method also, in which the vapour density of the compound is determined. Vapour density is related to molecular mass as :
Molecular mass = 2 x vapour density.
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संबंधित प्रश्न
Calculate the percentage composition of oxygen in lead nitrate [Pb(NO3)2]. [Pb = 207, N= 14, O = 16]
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(K = 39, 0 = 16, N = 14)
Calculate the percentage of water in ferrous sulphate crystals.
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P + 5HNO3 → H3PO4 + H2O + 5NO2
What mass of phosphoric acid can be prepared from 6 .2 g of phosphorous?
Concentrated nitric acid oxidizes phosphorous to phosphoric acid according to the following equation :
P + 5HNO3 → H3PO4 + H2O + 5NO2
What mass of nitric acid will be consumed at the same time?
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- Write the equation for the reaction.
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- What is the volume of carbon dioxide liberated at STP?
- What mass of calcium chloride is formed? (Relative molecular mass of calcium chloride is 111).
- How many moles of HCl are used in this reaction?
Calculate the volume of oxygen required for the complete combustion of 8.8 g of propane (C3H5).
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Calculate the relative molecular mass of:
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Find the weight of 0.5 mole of O2.
