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प्रश्न
Calcium carbonate is decomposed on heating in the following reaction
CaCO3 → CaO + CO2
How many moles of CO2 are there in this equation?
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उत्तर
One mole.
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संबंधित 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)
Calculate the molecular masses of the following compounds :
Ethane, C2H6
(Atomic masses : C = 12 u ; H = 1 u)
Calculate the molecular masses of the following compounds :
Ethyne, C2H2
(Atomic masses : C = 12 u ; H = 1 u)
Calculate the molecular mass of the following:
CH3COONa
[At mass : C = 12, H = 1, O = 16, Cl = 35.5, N = 14, Cu = 63.5, S = 32, Na = 23, K = 39, Pt = 195, Ca = 40, P = 31, Mg = 24]
Calculate:
The gram molecular mass of chlorine if 308cm3 of it at STP weighs 0.979 g.
Calculate the molecular mass of the following:
Na2SO4.10H2O
Given atomic mass of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32
Answer the following question using the data given below:
- Assertion: The Relative Molecular Mass of Chlorine is 35.5 a.m.u.
- Reason: The natural abundance of Chlorine isotopes are not equal.
Calcium carbonate is decomposed on heating in the following reaction
CaCO3 → CaO + CO2
How many moles of Calcium carbonate is involved in this reaction?
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
Write the name of the following compound and deduce its molecular mass.
CO2
